diff --git a/accounting/tests.py b/accounting/tests.py
index c66558e0..1140acc7 100644
--- a/accounting/tests.py
+++ b/accounting/tests.py
@@ -216,7 +216,7 @@ class TestOperation(TestCase):
             self.journal.operations.filter(target_label="Le fantome du jour").exists()
         )
 
-    def test__operation_simple_accounting(self):
+    def test_operation_simple_accounting(self):
         sat = SimplifiedAccountingType.objects.all().first()
         response = self.client.post(
             reverse("accounting:op_new", args=[self.journal.id]),
@@ -237,15 +237,14 @@ class TestOperation(TestCase):
                 "done": False,
             },
         )
-        self.assertFalse(response.status_code == 403)
-        self.assertTrue(self.journal.operations.filter(amount=23).exists())
+        assert response.status_code != 403
+        assert self.journal.operations.filter(amount=23).exists()
         response_get = self.client.get(
             reverse("accounting:journal_details", args=[self.journal.id])
         )
-        self.assertTrue(
-            "<td>Le fantome de l&#39;aurore</td>" in str(response_get.content)
-        )
-        self.assertTrue(
+        assert "<td>Le fantome de l&#39;aurore</td>" in str(response_get.content)
+
+        assert (
             self.journal.operations.filter(amount=23)
             .values("accounting_type")
             .first()["accounting_type"]
diff --git a/accounting/views.py b/accounting/views.py
index 928dc009..ce0ae45b 100644
--- a/accounting/views.py
+++ b/accounting/views.py
@@ -215,17 +215,14 @@ class JournalTabsMixin(TabedViewMixin):
         return _("Journal")
 
     def get_list_of_tabs(self):
-        tab_list = []
-        tab_list.append(
+        return [
             {
                 "url": reverse(
                     "accounting:journal_details", kwargs={"j_id": self.object.id}
                 ),
                 "slug": "journal",
                 "name": _("Journal"),
-            }
-        )
-        tab_list.append(
+            },
             {
                 "url": reverse(
                     "accounting:journal_nature_statement",
@@ -233,9 +230,7 @@ class JournalTabsMixin(TabedViewMixin):
                 ),
                 "slug": "nature_statement",
                 "name": _("Statement by nature"),
-            }
-        )
-        tab_list.append(
+            },
             {
                 "url": reverse(
                     "accounting:journal_person_statement",
@@ -243,9 +238,7 @@ class JournalTabsMixin(TabedViewMixin):
                 ),
                 "slug": "person_statement",
                 "name": _("Statement by person"),
-            }
-        )
-        tab_list.append(
+            },
             {
                 "url": reverse(
                     "accounting:journal_accounting_statement",
@@ -253,9 +246,8 @@ class JournalTabsMixin(TabedViewMixin):
                 ),
                 "slug": "accounting_statement",
                 "name": _("Accounting statement"),
-            }
-        )
-        return tab_list
+            },
+        ]
 
 
 class JournalCreateView(CanCreateMixin, CreateView):
diff --git a/club/migrations/0010_auto_20170912_2028.py b/club/migrations/0010_auto_20170912_2028.py
index d6e28063..aa49fc4b 100644
--- a/club/migrations/0010_auto_20170912_2028.py
+++ b/club/migrations/0010_auto_20170912_2028.py
@@ -3,19 +3,6 @@ from __future__ import unicode_literals
 import django.db.models.deletion
 from django.db import migrations, models
 
-from club.models import Club
-from core.operations import PsqlRunOnly
-
-
-def generate_club_pages(apps, schema_editor):
-    def recursive_generate_club_page(club):
-        club.make_page()
-        for child in Club.objects.filter(parent=club).all():
-            recursive_generate_club_page(child)
-
-    for club in Club.objects.filter(parent=None).all():
-        recursive_generate_club_page(club)
-
 
 class Migration(migrations.Migration):
     dependencies = [("core", "0024_auto_20170906_1317"), ("club", "0010_club_logo")]
@@ -48,11 +35,4 @@ class Migration(migrations.Migration):
                 null=True,
             ),
         ),
-        PsqlRunOnly(
-            "SET CONSTRAINTS ALL IMMEDIATE", reverse_sql=migrations.RunSQL.noop
-        ),
-        migrations.RunPython(generate_club_pages),
-        PsqlRunOnly(
-            migrations.RunSQL.noop, reverse_sql="SET CONSTRAINTS ALL IMMEDIATE"
-        ),
     ]
diff --git a/club/models.py b/club/models.py
index 573fd176..5300057d 100644
--- a/club/models.py
+++ b/club/models.py
@@ -31,14 +31,14 @@ from django.core.cache import cache
 from django.core.exceptions import ObjectDoesNotExist, ValidationError
 from django.core.validators import RegexValidator, validate_email
 from django.db import models, transaction
-from django.db.models import Q
+from django.db.models import Exists, OuterRef, Q
 from django.urls import reverse
 from django.utils import timezone
 from django.utils.functional import cached_property
 from django.utils.timezone import localdate
 from django.utils.translation import gettext_lazy as _
 
-from core.models import Group, MetaGroup, Notification, Page, RealGroup, SithFile, User
+from core.models import Group, MetaGroup, Notification, Page, SithFile, User
 
 # Create your models here.
 
@@ -438,19 +438,18 @@ class Mailing(models.Model):
 
     def save(self, *args, **kwargs):
         if not self.is_moderated:
-            for user in (
-                RealGroup.objects.filter(id=settings.SITH_GROUP_COM_ADMIN_ID)
-                .first()
-                .users.all()
+            unread_notif_subquery = Notification.objects.filter(
+                user=OuterRef("pk"), type="MAILING_MODERATION", viewed=False
+            )
+            for user in User.objects.filter(
+                ~Exists(unread_notif_subquery),
+                groups__id__in=[settings.SITH_GROUP_COM_ADMIN_ID],
             ):
-                if not user.notifications.filter(
-                    type="MAILING_MODERATION", viewed=False
-                ).exists():
-                    Notification(
-                        user=user,
-                        url=reverse("com:mailing_admin"),
-                        type="MAILING_MODERATION",
-                    ).save(*args, **kwargs)
+                Notification(
+                    user=user,
+                    url=reverse("com:mailing_admin"),
+                    type="MAILING_MODERATION",
+                ).save(*args, **kwargs)
         super().save(*args, **kwargs)
 
     def clean(self):
diff --git a/com/models.py b/com/models.py
index cf2cb961..f3076174 100644
--- a/com/models.py
+++ b/com/models.py
@@ -34,7 +34,7 @@ from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 
 from club.models import Club
-from core.models import Notification, Preferences, RealGroup, User
+from core.models import Notification, Preferences, User
 
 
 class Sith(models.Model):
@@ -108,17 +108,15 @@ class News(models.Model):
 
     def save(self, *args, **kwargs):
         super().save(*args, **kwargs)
-        for u in (
-            RealGroup.objects.filter(id=settings.SITH_GROUP_COM_ADMIN_ID)
-            .first()
-            .users.all()
+        for user in User.objects.filter(
+            groups__id__in=[settings.SITH_GROUP_COM_ADMIN_ID]
         ):
-            Notification(
-                user=u,
+            Notification.objects.create(
+                user=user,
                 url=reverse("com:news_admin_list"),
                 type="NEWS_MODERATION",
                 param="1",
-            ).save()
+            )
 
     def get_absolute_url(self):
         return reverse("com:news_detail", kwargs={"news_id": self.id})
@@ -336,16 +334,14 @@ class Poster(models.Model):
 
     def save(self, *args, **kwargs):
         if not self.is_moderated:
-            for u in (
-                RealGroup.objects.filter(id=settings.SITH_GROUP_COM_ADMIN_ID)
-                .first()
-                .users.all()
+            for user in User.objects.filter(
+                groups__id__in=[settings.SITH_GROUP_COM_ADMIN_ID]
             ):
-                Notification(
-                    user=u,
+                Notification.objects.create(
+                    user=user,
                     url=reverse("com:poster_moderate_list"),
                     type="POSTER_MODERATION",
-                ).save()
+                )
         return super().save(*args, **kwargs)
 
     def clean(self, *args, **kwargs):
diff --git a/com/tests.py b/com/tests.py
index 1c39fa36..399eb0e8 100644
--- a/com/tests.py
+++ b/com/tests.py
@@ -23,7 +23,7 @@ from django.utils.translation import gettext as _
 
 from club.models import Club, Membership
 from com.models import News, Poster, Sith, Weekmail, WeekmailArticle
-from core.models import AnonymousUser, RealGroup, User
+from core.models import AnonymousUser, Group, User
 
 
 @pytest.fixture()
@@ -49,9 +49,7 @@ class TestCom(TestCase):
     @classmethod
     def setUpTestData(cls):
         cls.skia = User.objects.get(username="skia")
-        cls.com_group = RealGroup.objects.filter(
-            id=settings.SITH_GROUP_COM_ADMIN_ID
-        ).first()
+        cls.com_group = Group.objects.get(id=settings.SITH_GROUP_COM_ADMIN_ID)
         cls.skia.groups.set([cls.com_group])
 
     def setUp(self):
diff --git a/com/views.py b/com/views.py
index c3835605..d4136d20 100644
--- a/com/views.py
+++ b/com/views.py
@@ -28,7 +28,7 @@ from smtplib import SMTPRecipientsRefused
 from django import forms
 from django.conf import settings
 from django.core.exceptions import PermissionDenied, ValidationError
-from django.db.models import Max
+from django.db.models import Exists, Max, OuterRef
 from django.forms.models import modelform_factory
 from django.http import HttpResponseRedirect
 from django.shortcuts import get_object_or_404, redirect
@@ -42,7 +42,7 @@ from django.views.generic.edit import CreateView, DeleteView, UpdateView
 
 from club.models import Club, Mailing
 from com.models import News, NewsDate, Poster, Screen, Sith, Weekmail, WeekmailArticle
-from core.models import Notification, RealGroup, User
+from core.models import Notification, User
 from core.views import (
     CanCreateMixin,
     CanEditMixin,
@@ -278,21 +278,18 @@ class NewsEditView(CanEditMixin, UpdateView):
         else:
             self.object.is_moderated = False
             self.object.save()
-            for u in (
-                RealGroup.objects.filter(id=settings.SITH_GROUP_COM_ADMIN_ID)
-                .first()
-                .users.all()
+            unread_notif_subquery = Notification.objects.filter(
+                user=OuterRef("pk"), type="NEWS_MODERATION", viewed=False
+            )
+            for user in User.objects.filter(
+                ~Exists(unread_notif_subquery),
+                groups__id__in=[settings.SITH_GROUP_COM_ADMIN_ID],
             ):
-                if not u.notifications.filter(
-                    type="NEWS_MODERATION", viewed=False
-                ).exists():
-                    Notification(
-                        user=u,
-                        url=reverse(
-                            "com:news_detail", kwargs={"news_id": self.object.id}
-                        ),
-                        type="NEWS_MODERATION",
-                    ).save()
+                Notification.objects.create(
+                    user=user,
+                    url=self.object.get_absolute_url(),
+                    type="NEWS_MODERATION",
+                )
         return super().form_valid(form)
 
 
@@ -323,19 +320,18 @@ class NewsCreateView(CanCreateMixin, CreateView):
             self.object.is_moderated = True
             self.object.save()
         else:
-            for u in (
-                RealGroup.objects.filter(id=settings.SITH_GROUP_COM_ADMIN_ID)
-                .first()
-                .users.all()
+            unread_notif_subquery = Notification.objects.filter(
+                user=OuterRef("pk"), type="NEWS_MODERATION", viewed=False
+            )
+            for user in User.objects.filter(
+                ~Exists(unread_notif_subquery),
+                groups__id__in=[settings.SITH_GROUP_COM_ADMIN_ID],
             ):
-                if not u.notifications.filter(
-                    type="NEWS_MODERATION", viewed=False
-                ).exists():
-                    Notification(
-                        user=u,
-                        url=reverse("com:news_admin_list"),
-                        type="NEWS_MODERATION",
-                    ).save()
+                Notification.objects.create(
+                    user=user,
+                    url=reverse("com:news_admin_list"),
+                    type="NEWS_MODERATION",
+                )
         return super().form_valid(form)
 
 
diff --git a/core/management/commands/populate.py b/core/management/commands/populate.py
index 7098101a..5770c715 100644
--- a/core/management/commands/populate.py
+++ b/core/management/commands/populate.py
@@ -261,19 +261,19 @@ class Command(BaseCommand):
         User.groups.through.objects.bulk_create(
             [
                 User.groups.through(
-                    realgroup_id=settings.SITH_GROUP_COUNTER_ADMIN_ID, user=counter
+                    group_id=settings.SITH_GROUP_COUNTER_ADMIN_ID, user=counter
                 ),
                 User.groups.through(
-                    realgroup_id=settings.SITH_GROUP_ACCOUNTING_ADMIN_ID, user=comptable
+                    group_id=settings.SITH_GROUP_ACCOUNTING_ADMIN_ID, user=comptable
                 ),
                 User.groups.through(
-                    realgroup_id=settings.SITH_GROUP_COM_ADMIN_ID, user=comunity
+                    group_id=settings.SITH_GROUP_COM_ADMIN_ID, user=comunity
                 ),
                 User.groups.through(
-                    realgroup_id=settings.SITH_GROUP_PEDAGOGY_ADMIN_ID, user=tutu
+                    group_id=settings.SITH_GROUP_PEDAGOGY_ADMIN_ID, user=tutu
                 ),
                 User.groups.through(
-                    realgroup_id=settings.SITH_GROUP_SAS_ADMIN_ID, user=skia
+                    group_id=settings.SITH_GROUP_SAS_ADMIN_ID, user=skia
                 ),
             ]
         )
diff --git a/core/management/commands/populate_more.py b/core/management/commands/populate_more.py
index eaac58c0..f8ac1cef 100644
--- a/core/management/commands/populate_more.py
+++ b/core/management/commands/populate_more.py
@@ -11,7 +11,7 @@ from django.utils.timezone import localdate, make_aware, now
 from faker import Faker
 
 from club.models import Club, Membership
-from core.models import RealGroup, User
+from core.models import Group, User
 from counter.models import (
     Counter,
     Customer,
@@ -225,9 +225,7 @@ class Command(BaseCommand):
         ae = Club.objects.get(unix_name="ae")
         other_clubs = random.sample(list(Club.objects.all()), k=3)
         groups = list(
-            RealGroup.objects.filter(
-                name__in=["Subscribers", "Old subscribers", "Public"]
-            )
+            Group.objects.filter(name__in=["Subscribers", "Old subscribers", "Public"])
         )
         counters = list(
             Counter.objects.filter(name__in=["Foyer", "MDE", "La Gommette", "Eboutic"])
diff --git a/core/migrations/0040_alter_user_options_user_user_permissions_and_more.py b/core/migrations/0040_alter_user_options_user_user_permissions_and_more.py
new file mode 100644
index 00000000..43e4911c
--- /dev/null
+++ b/core/migrations/0040_alter_user_options_user_user_permissions_and_more.py
@@ -0,0 +1,82 @@
+# Generated by Django 4.2.16 on 2024-11-20 16:22
+
+import django.contrib.auth.validators
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0012_alter_user_first_name_max_length"),
+        ("core", "0039_alter_user_managers"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="user",
+            options={"verbose_name": "user", "verbose_name_plural": "users"},
+        ),
+        migrations.AddField(
+            model_name="user",
+            name="user_permissions",
+            field=models.ManyToManyField(
+                blank=True,
+                help_text="Specific permissions for this user.",
+                related_name="user_set",
+                related_query_name="user",
+                to="auth.permission",
+                verbose_name="user permissions",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="user",
+            name="date_joined",
+            field=models.DateTimeField(
+                default=django.utils.timezone.now, verbose_name="date joined"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="user",
+            name="is_superuser",
+            field=models.BooleanField(
+                default=False,
+                help_text="Designates that this user has all permissions without explicitly assigning them.",
+                verbose_name="superuser status",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="user",
+            name="username",
+            field=models.CharField(
+                error_messages={"unique": "A user with that username already exists."},
+                help_text="Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.",
+                max_length=150,
+                unique=True,
+                validators=[django.contrib.auth.validators.UnicodeUsernameValidator()],
+                verbose_name="username",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="user",
+            name="groups",
+            field=models.ManyToManyField(
+                blank=True,
+                help_text="The groups this user belongs to. A user will get all permissions granted to each of their groups.",
+                related_name="user_set",
+                related_query_name="user",
+                to="auth.group",
+                verbose_name="groups",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="user",
+            name="groups",
+            field=models.ManyToManyField(
+                blank=True,
+                help_text="The groups this user belongs to. A user will get all permissions granted to each of their groups.",
+                related_name="users",
+                to="core.group",
+                verbose_name="groups",
+            ),
+        ),
+    ]
diff --git a/core/models.py b/core/models.py
index 2d578d6d..347e9bd4 100644
--- a/core/models.py
+++ b/core/models.py
@@ -30,19 +30,13 @@ import string
 import unicodedata
 from datetime import timedelta
 from pathlib import Path
-from typing import TYPE_CHECKING, Any, Optional, Self
+from typing import TYPE_CHECKING, Optional, Self
 
 from django.conf import settings
-from django.contrib.auth.models import AbstractBaseUser, UserManager
-from django.contrib.auth.models import (
-    AnonymousUser as AuthAnonymousUser,
-)
-from django.contrib.auth.models import (
-    Group as AuthGroup,
-)
-from django.contrib.auth.models import (
-    GroupManager as AuthGroupManager,
-)
+from django.contrib.auth.models import AbstractUser, UserManager
+from django.contrib.auth.models import AnonymousUser as AuthAnonymousUser
+from django.contrib.auth.models import Group as AuthGroup
+from django.contrib.auth.models import GroupManager as AuthGroupManager
 from django.contrib.staticfiles.storage import staticfiles_storage
 from django.core import validators
 from django.core.cache import cache
@@ -242,7 +236,7 @@ class CustomUserManager(UserManager.from_queryset(UserQuerySet)):
     pass
 
 
-class User(AbstractBaseUser):
+class User(AbstractUser):
     """Defines the base user class, useable in every app.
 
     This is almost the same as the auth module AbstractUser since it inherits from it,
@@ -253,51 +247,22 @@ class User(AbstractBaseUser):
     Required fields: email, first_name, last_name, date_of_birth
     """
 
-    username = models.CharField(
-        _("username"),
-        max_length=254,
-        unique=True,
-        help_text=_(
-            "Required. 254 characters or fewer. Letters, digits and ./+/-/_ only."
-        ),
-        validators=[
-            validators.RegexValidator(
-                r"^[\w.+-]+$",
-                _(
-                    "Enter a valid username. This value may contain only "
-                    "letters, numbers "
-                    "and ./+/-/_ characters."
-                ),
-            )
-        ],
-        error_messages={"unique": _("A user with that username already exists.")},
-    )
     first_name = models.CharField(_("first name"), max_length=64)
     last_name = models.CharField(_("last name"), max_length=64)
     email = models.EmailField(_("email address"), unique=True)
     date_of_birth = models.DateField(_("date of birth"), blank=True, null=True)
     nick_name = models.CharField(_("nick name"), max_length=64, null=True, blank=True)
-    is_staff = models.BooleanField(
-        _("staff status"),
-        default=False,
-        help_text=_("Designates whether the user can log into this admin site."),
-    )
-    is_active = models.BooleanField(
-        _("active"),
-        default=True,
-        help_text=_(
-            "Designates whether this user should be treated as active. "
-            "Unselect this instead of deleting accounts."
-        ),
-    )
-    date_joined = models.DateField(_("date joined"), auto_now_add=True)
     last_update = models.DateTimeField(_("last update"), auto_now=True)
-    is_superuser = models.BooleanField(
-        _("superuser"),
-        default=False,
-        help_text=_("Designates whether this user is a superuser. "),
+    groups = models.ManyToManyField(
+        Group,
+        verbose_name=_("groups"),
+        help_text=_(
+            "The groups this user belongs to. A user will get all permissions "
+            "granted to each of their groups."
+        ),
+        related_name="users",
+        blank=True,
     )
-    groups = models.ManyToManyField(RealGroup, related_name="users", blank=True)
     home = models.OneToOneField(
         "SithFile",
         related_name="home_of",
@@ -401,8 +366,6 @@ class User(AbstractBaseUser):
 
     objects = CustomUserManager()
 
-    USERNAME_FIELD = "username"
-
     def __str__(self):
         return self.get_display_name()
 
@@ -422,22 +385,23 @@ class User(AbstractBaseUser):
             settings.BASE_DIR / f"core/static/core/img/promo_{self.promo}.png"
         ).exists()
 
-    def has_module_perms(self, package_name: str) -> bool:
-        return self.is_active
-
-    def has_perm(self, perm: str, obj: Any = None) -> bool:
-        return self.is_active and self.is_superuser
-
     @cached_property
     def was_subscribed(self) -> bool:
+        if "is_subscribed" in self.__dict__ and self.is_subscribed:
+            # if the user is currently subscribed, he is an old subscriber too
+            # if the property has already been cached, avoid another request
+            return True
         return self.subscriptions.exists()
 
     @cached_property
     def is_subscribed(self) -> bool:
-        s = self.subscriptions.filter(
+        if "was_subscribed" in self.__dict__ and not self.was_subscribed:
+            # if the user never subscribed, he cannot be a subscriber now.
+            # if the property has already been cached, avoid another request
+            return False
+        return self.subscriptions.filter(
             subscription_start__lte=timezone.now(), subscription_end__gte=timezone.now()
-        )
-        return s.exists()
+        ).exists()
 
     @cached_property
     def account_balance(self):
@@ -599,11 +563,6 @@ class User(AbstractBaseUser):
             "date_of_birth": self.date_of_birth,
         }
 
-    def get_full_name(self):
-        """Returns the first_name plus the last_name, with a space in between."""
-        full_name = "%s %s" % (self.first_name, self.last_name)
-        return full_name.strip()
-
     def get_short_name(self):
         """Returns the short name for the user."""
         if self.nick_name:
@@ -982,13 +941,11 @@ class SithFile(models.Model):
         if copy_rights:
             self.copy_rights()
         if self.is_in_sas:
-            for u in (
-                RealGroup.objects.filter(id=settings.SITH_GROUP_SAS_ADMIN_ID)
-                .first()
-                .users.all()
+            for user in User.objects.filter(
+                groups__id__in=[settings.SITH_GROUP_SAS_ADMIN_ID]
             ):
                 Notification(
-                    user=u,
+                    user=user,
                     url=reverse("sas:moderation"),
                     type="SAS_MODERATION",
                     param="1",
diff --git a/core/tests/test_core.py b/core/tests/test_core.py
index 9b70e886..a33a8705 100644
--- a/core/tests/test_core.py
+++ b/core/tests/test_core.py
@@ -118,7 +118,9 @@ class TestUserRegistration:
         response = client.post(reverse("core:register"), valid_payload)
 
         assert response.status_code == 200
-        error_html = "<li>Un objet User avec ce champ Adresse email existe déjà.</li>"
+        error_html = (
+            "<li>Un objet Utilisateur avec ce champ Adresse email existe déjà.</li>"
+        )
         assertInHTML(error_html, str(response.content.decode()))
 
     def test_register_fail_with_not_existing_email(
diff --git a/core/tests/test_files.py b/core/tests/test_files.py
index 1f39fcd8..998ceab5 100644
--- a/core/tests/test_files.py
+++ b/core/tests/test_files.py
@@ -14,7 +14,7 @@ from PIL import Image
 from pytest_django.asserts import assertNumQueries
 
 from core.baker_recipes import board_user, old_subscriber_user, subscriber_user
-from core.models import Group, RealGroup, SithFile, User
+from core.models import Group, SithFile, User
 from sas.models import Picture
 from sith import settings
 
@@ -26,12 +26,10 @@ class TestImageAccess:
         [
             lambda: baker.make(User, is_superuser=True),
             lambda: baker.make(
-                User,
-                groups=[RealGroup.objects.get(pk=settings.SITH_GROUP_SAS_ADMIN_ID)],
+                User, groups=[Group.objects.get(pk=settings.SITH_GROUP_SAS_ADMIN_ID)]
             ),
             lambda: baker.make(
-                User,
-                groups=[RealGroup.objects.get(pk=settings.SITH_GROUP_COM_ADMIN_ID)],
+                User, groups=[Group.objects.get(pk=settings.SITH_GROUP_COM_ADMIN_ID)]
             ),
         ],
     )
diff --git a/core/views/files.py b/core/views/files.py
index 0d083a84..f8539080 100644
--- a/core/views/files.py
+++ b/core/views/files.py
@@ -21,6 +21,7 @@ from wsgiref.util import FileWrapper
 from django import forms
 from django.conf import settings
 from django.core.exceptions import PermissionDenied
+from django.db.models import Exists, OuterRef
 from django.forms.models import modelform_factory
 from django.http import Http404, HttpRequest, HttpResponse
 from django.shortcuts import get_object_or_404, redirect
@@ -31,7 +32,7 @@ from django.views.generic import DetailView, ListView
 from django.views.generic.detail import SingleObjectMixin
 from django.views.generic.edit import DeleteView, FormMixin, UpdateView
 
-from core.models import Notification, RealGroup, SithFile, User
+from core.models import Notification, SithFile, User
 from core.views import (
     AllowFragment,
     CanEditMixin,
@@ -159,19 +160,18 @@ class AddFilesForm(forms.Form):
                     % {"file_name": f, "msg": repr(e)},
                 )
         if notif:
-            for u in (
-                RealGroup.objects.filter(id=settings.SITH_GROUP_COM_ADMIN_ID)
-                .first()
-                .users.all()
+            unread_notif_subquery = Notification.objects.filter(
+                user=OuterRef("pk"), type="FILE_MODERATION", viewed=False
+            )
+            for user in User.objects.filter(
+                ~Exists(unread_notif_subquery),
+                groups__id__in=[settings.SITH_GROUP_COM_ADMIN_ID],
             ):
-                if not u.notifications.filter(
-                    type="FILE_MODERATION", viewed=False
-                ).exists():
-                    Notification(
-                        user=u,
-                        url=reverse("core:file_moderation"),
-                        type="FILE_MODERATION",
-                    ).save()
+                Notification.objects.create(
+                    user=user,
+                    url=reverse("core:file_moderation"),
+                    type="FILE_MODERATION",
+                )
 
 
 class FileListView(ListView):
diff --git a/core/views/forms.py b/core/views/forms.py
index de01f7aa..ea9c27f0 100644
--- a/core/views/forms.py
+++ b/core/views/forms.py
@@ -167,9 +167,7 @@ class RegisteringForm(UserCreationForm):
     class Meta:
         model = User
         fields = ("first_name", "last_name", "email")
-        field_classes = {
-            "email": AntiSpamEmailField,
-        }
+        field_classes = {"email": AntiSpamEmailField}
 
 
 class UserProfileForm(forms.ModelForm):
diff --git a/core/views/group.py b/core/views/group.py
index abb0097f..b6e77b54 100644
--- a/core/views/group.py
+++ b/core/views/group.py
@@ -23,9 +23,7 @@ from django.views.generic.edit import CreateView, DeleteView, UpdateView
 
 from core.models import RealGroup, User
 from core.views import CanCreateMixin, CanEditMixin, DetailFormView
-from core.views.widgets.select import (
-    AutoCompleteSelectMultipleUser,
-)
+from core.views.widgets.select import AutoCompleteSelectMultipleUser
 
 # Forms
 
diff --git a/counter/migrations/0013_customer_recorded_products.py b/counter/migrations/0013_customer_recorded_products.py
index f2a48ba5..72825d16 100644
--- a/counter/migrations/0013_customer_recorded_products.py
+++ b/counter/migrations/0013_customer_recorded_products.py
@@ -1,38 +1,6 @@
 from __future__ import unicode_literals
 
-from django.conf import settings
 from django.db import migrations, models
-from django.utils.translation import gettext_lazy as _
-
-from core.models import User
-from counter.models import Counter, Customer, Product, Selling
-
-
-def balance_ecocups(apps, schema_editor):
-    for customer in Customer.objects.all():
-        customer.recorded_products = 0
-        for selling in customer.buyings.filter(
-            product__id__in=[settings.SITH_ECOCUP_CONS, settings.SITH_ECOCUP_DECO]
-        ).all():
-            if selling.product.is_record_product:
-                customer.recorded_products += selling.quantity
-            elif selling.product.is_unrecord_product:
-                customer.recorded_products -= selling.quantity
-        if customer.recorded_products < -settings.SITH_ECOCUP_LIMIT:
-            qt = -(customer.recorded_products + settings.SITH_ECOCUP_LIMIT)
-            cons = Product.objects.get(id=settings.SITH_ECOCUP_CONS)
-            Selling(
-                label=_("Ecocup regularization"),
-                product=cons,
-                unit_price=cons.selling_price,
-                club=cons.club,
-                counter=Counter.objects.filter(name="Foyer").first(),
-                quantity=qt,
-                seller=User.objects.get(id=0),
-                customer=customer,
-            ).save(allow_negative=True)
-            customer.recorded_products += qt
-        customer.save()
 
 
 class Migration(migrations.Migration):
@@ -44,5 +12,4 @@ class Migration(migrations.Migration):
             name="recorded_products",
             field=models.IntegerField(verbose_name="recorded items", default=0),
         ),
-        migrations.RunPython(balance_ecocups),
     ]
diff --git a/counter/tests/test_product.py b/counter/tests/test_product.py
index a5eb39c4..8daab2b1 100644
--- a/counter/tests/test_product.py
+++ b/counter/tests/test_product.py
@@ -13,7 +13,7 @@ from PIL import Image
 from pytest_django.asserts import assertNumQueries
 
 from core.baker_recipes import board_user, subscriber_user
-from core.models import RealGroup, User
+from core.models import Group, User
 from counter.models import Product, ProductType
 
 
@@ -51,16 +51,14 @@ def test_resize_product_icon(model):
         (
             lambda: baker.make(
                 User,
-                groups=[RealGroup.objects.get(pk=settings.SITH_GROUP_COUNTER_ADMIN_ID)],
+                groups=[Group.objects.get(pk=settings.SITH_GROUP_COUNTER_ADMIN_ID)],
             ),
             200,
         ),
         (
             lambda: baker.make(
                 User,
-                groups=[
-                    RealGroup.objects.get(pk=settings.SITH_GROUP_ACCOUNTING_ADMIN_ID)
-                ],
+                groups=[Group.objects.get(pk=settings.SITH_GROUP_ACCOUNTING_ADMIN_ID)],
             ),
             200,
         ),
diff --git a/counter/tests/test_product_type.py b/counter/tests/test_product_type.py
index 7976ef85..16dc40dd 100644
--- a/counter/tests/test_product_type.py
+++ b/counter/tests/test_product_type.py
@@ -6,7 +6,7 @@ from model_bakery import baker, seq
 from ninja_extra.testing import TestClient
 
 from core.baker_recipes import board_user, subscriber_user
-from core.models import RealGroup, User
+from core.models import Group, User
 from counter.api import ProductTypeController
 from counter.models import ProductType
 
@@ -70,16 +70,14 @@ def test_move_above_product_type(product_types: list[ProductType]):
         (
             lambda: baker.make(
                 User,
-                groups=[RealGroup.objects.get(pk=settings.SITH_GROUP_COUNTER_ADMIN_ID)],
+                groups=[Group.objects.get(pk=settings.SITH_GROUP_COUNTER_ADMIN_ID)],
             ),
             200,
         ),
         (
             lambda: baker.make(
                 User,
-                groups=[
-                    RealGroup.objects.get(pk=settings.SITH_GROUP_ACCOUNTING_ADMIN_ID)
-                ],
+                groups=[Group.objects.get(pk=settings.SITH_GROUP_ACCOUNTING_ADMIN_ID)],
             ),
             200,
         ),
diff --git a/locale/fr/LC_MESSAGES/django.po b/locale/fr/LC_MESSAGES/django.po
index ae6ed43a..015e3dd7 100644
--- a/locale/fr/LC_MESSAGES/django.po
+++ b/locale/fr/LC_MESSAGES/django.po
@@ -6,7 +6,7 @@
 msgid ""
 msgstr ""
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-12-18 15:53+0100\n"
+"POT-Creation-Date: 2024-12-19 10:43+0100\n"
 "PO-Revision-Date: 2016-07-18\n"
 "Last-Translator: Maréchal <thomas.girod@utbm.fr\n"
 "Language-Team: AE info <ae.info@utbm.fr>\n"
@@ -17,8 +17,8 @@ msgstr ""
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
 
 #: accounting/models.py:62 accounting/models.py:101 accounting/models.py:132
-#: accounting/models.py:190 club/models.py:55 com/models.py:289
-#: com/models.py:308 counter/models.py:299 counter/models.py:330
+#: accounting/models.py:190 club/models.py:55 com/models.py:287
+#: com/models.py:306 counter/models.py:299 counter/models.py:330
 #: counter/models.py:481 forum/models.py:60 launderette/models.py:29
 #: launderette/models.py:80 launderette/models.py:116
 msgid "name"
@@ -40,7 +40,7 @@ msgstr "code postal"
 msgid "country"
 msgstr "pays"
 
-#: accounting/models.py:67 core/models.py:391
+#: accounting/models.py:67 core/models.py:356
 msgid "phone"
 msgstr "téléphone"
 
@@ -65,7 +65,7 @@ msgid "account number"
 msgstr "numéro de compte"
 
 #: accounting/models.py:107 accounting/models.py:136 club/models.py:345
-#: com/models.py:87 com/models.py:274 com/models.py:314 counter/models.py:359
+#: com/models.py:87 com/models.py:272 com/models.py:312 counter/models.py:359
 #: counter/models.py:483 trombi/models.py:209
 msgid "club"
 msgstr "club"
@@ -126,8 +126,8 @@ msgstr "numéro"
 msgid "journal"
 msgstr "classeur"
 
-#: accounting/models.py:256 core/models.py:954 core/models.py:1465
-#: core/models.py:1510 core/models.py:1539 core/models.py:1563
+#: accounting/models.py:256 core/models.py:913 core/models.py:1422
+#: core/models.py:1467 core/models.py:1496 core/models.py:1520
 #: counter/models.py:694 counter/models.py:798 counter/models.py:1002
 #: eboutic/models.py:57 eboutic/models.py:193 forum/models.py:312
 #: forum/models.py:413
@@ -165,7 +165,7 @@ msgid "accounting type"
 msgstr "type comptable"
 
 #: accounting/models.py:294 accounting/models.py:429 accounting/models.py:460
-#: accounting/models.py:492 core/models.py:1538 core/models.py:1564
+#: accounting/models.py:492 core/models.py:1495 core/models.py:1521
 #: counter/models.py:764
 msgid "label"
 msgstr "étiquette"
@@ -174,7 +174,7 @@ msgstr "étiquette"
 msgid "target type"
 msgstr "type de cible"
 
-#: accounting/models.py:303 club/models.py:505
+#: accounting/models.py:303 club/models.py:504
 #: club/templates/club/club_members.jinja:17
 #: club/templates/club/club_old_members.jinja:8
 #: club/templates/club/mailing.jinja:41
@@ -218,7 +218,7 @@ msgstr "Compte"
 msgid "Company"
 msgstr "Entreprise"
 
-#: accounting/models.py:307 core/models.py:338 sith/settings.py:423
+#: accounting/models.py:307 core/models.py:303 sith/settings.py:423
 msgid "Other"
 msgstr "Autre"
 
@@ -279,14 +279,14 @@ msgstr "type de mouvement"
 #: accounting/models.py:433
 #: accounting/templates/accounting/journal_statement_nature.jinja:9
 #: accounting/templates/accounting/journal_statement_person.jinja:12
-#: accounting/views.py:574
+#: accounting/views.py:566
 msgid "Credit"
 msgstr "Crédit"
 
 #: accounting/models.py:434
 #: accounting/templates/accounting/journal_statement_nature.jinja:28
 #: accounting/templates/accounting/journal_statement_person.jinja:40
-#: accounting/views.py:574
+#: accounting/views.py:566
 msgid "Debit"
 msgstr "Débit"
 
@@ -782,7 +782,7 @@ msgstr "Sauver"
 
 #: accounting/templates/accounting/refound_account.jinja:4
 #: accounting/templates/accounting/refound_account.jinja:9
-#: accounting/views.py:892
+#: accounting/views.py:884
 msgid "Refound account"
 msgstr "Remboursement de compte"
 
@@ -803,87 +803,87 @@ msgstr "Types simplifiés"
 msgid "New simplified type"
 msgstr "Nouveau type simplifié"
 
-#: accounting/views.py:215 accounting/views.py:225 accounting/views.py:549
+#: accounting/views.py:215 accounting/views.py:224 accounting/views.py:541
 msgid "Journal"
 msgstr "Classeur"
 
-#: accounting/views.py:235
+#: accounting/views.py:232
 msgid "Statement by nature"
 msgstr "Bilan par nature"
 
-#: accounting/views.py:245
+#: accounting/views.py:240
 msgid "Statement by person"
 msgstr "Bilan par personne"
 
-#: accounting/views.py:255
+#: accounting/views.py:248
 msgid "Accounting statement"
 msgstr "Bilan comptable"
 
-#: accounting/views.py:369
+#: accounting/views.py:361
 msgid "Link this operation to the target account"
 msgstr "Lier cette opération au compte cible"
 
-#: accounting/views.py:399
+#: accounting/views.py:391
 msgid "The target must be set."
 msgstr "La cible doit être indiquée."
 
-#: accounting/views.py:414
+#: accounting/views.py:406
 msgid "The amount must be set."
 msgstr "Le montant doit être indiqué."
 
-#: accounting/views.py:543 accounting/views.py:549
+#: accounting/views.py:535 accounting/views.py:541
 msgid "Operation"
 msgstr "Opération"
 
-#: accounting/views.py:558
+#: accounting/views.py:550
 msgid "Financial proof: "
 msgstr "Justificatif de libellé : "
 
-#: accounting/views.py:561
+#: accounting/views.py:553
 #, python-format
 msgid "Club: %(club_name)s"
 msgstr "Club : %(club_name)s"
 
-#: accounting/views.py:566
+#: accounting/views.py:558
 #, python-format
 msgid "Label: %(op_label)s"
 msgstr "Libellé : %(op_label)s"
 
-#: accounting/views.py:569
+#: accounting/views.py:561
 #, python-format
 msgid "Date: %(date)s"
 msgstr "Date : %(date)s"
 
-#: accounting/views.py:577
+#: accounting/views.py:569
 #, python-format
 msgid "Amount: %(amount).2f €"
 msgstr "Montant : %(amount).2f €"
 
-#: accounting/views.py:592
+#: accounting/views.py:584
 msgid "Debtor"
 msgstr "Débiteur"
 
-#: accounting/views.py:592
+#: accounting/views.py:584
 msgid "Creditor"
 msgstr "Créditeur"
 
-#: accounting/views.py:597
+#: accounting/views.py:589
 msgid "Comment:"
 msgstr "Commentaire :"
 
-#: accounting/views.py:622
+#: accounting/views.py:614
 msgid "Signature:"
 msgstr "Signature :"
 
-#: accounting/views.py:686
+#: accounting/views.py:678
 msgid "General statement"
 msgstr "Bilan général"
 
-#: accounting/views.py:693
+#: accounting/views.py:685
 msgid "No label operations"
 msgstr "Opérations sans étiquette"
 
-#: accounting/views.py:846
+#: accounting/views.py:838
 msgid "Refound this account"
 msgstr "Rembourser ce compte"
 
@@ -910,7 +910,7 @@ msgstr ""
 msgid "Users to add"
 msgstr "Utilisateurs à ajouter"
 
-#: club/forms.py:55 club/forms.py:181 core/views/group.py:42
+#: club/forms.py:55 club/forms.py:181 core/views/group.py:40
 msgid "Search users to add (one or more)."
 msgstr "Recherche les utilisateurs à ajouter (un ou plus)."
 
@@ -1025,11 +1025,11 @@ msgstr "actif"
 msgid "short description"
 msgstr "description courte"
 
-#: club/models.py:81 core/models.py:393
+#: club/models.py:81 core/models.py:358
 msgid "address"
 msgstr "Adresse"
 
-#: club/models.py:98 core/models.py:304
+#: club/models.py:98 core/models.py:269
 msgid "home"
 msgstr "home"
 
@@ -1046,20 +1046,20 @@ msgstr "Un club avec ce nom UNIX existe déjà."
 #: launderette/models.py:130 launderette/models.py:184 sas/models.py:273
 #: trombi/models.py:205
 msgid "user"
-msgstr "nom d'utilisateur"
+msgstr "utilisateur"
 
-#: club/models.py:354 core/models.py:357 election/models.py:178
+#: club/models.py:354 core/models.py:322 election/models.py:178
 #: election/models.py:212 trombi/models.py:210
 msgid "role"
 msgstr "rôle"
 
-#: club/models.py:359 core/models.py:90 counter/models.py:300
+#: club/models.py:359 core/models.py:84 counter/models.py:300
 #: counter/models.py:331 election/models.py:13 election/models.py:115
 #: election/models.py:188 forum/models.py:61 forum/models.py:245
 msgid "description"
 msgstr "description"
 
-#: club/models.py:415 club/models.py:511
+#: club/models.py:415 club/models.py:510
 msgid "Email address"
 msgstr "Adresse email"
 
@@ -1068,31 +1068,31 @@ msgid "Enter a valid address. Only the root of the address is needed."
 msgstr ""
 "Entrez une adresse valide. Seule la racine de l'adresse est nécessaire."
 
-#: club/models.py:427 com/models.py:97 com/models.py:324 core/models.py:955
+#: club/models.py:427 com/models.py:97 com/models.py:322 core/models.py:914
 msgid "is moderated"
 msgstr "est modéré"
 
-#: club/models.py:431 com/models.py:101 com/models.py:328
+#: club/models.py:431 com/models.py:101 com/models.py:326
 msgid "moderator"
 msgstr "modérateur"
 
-#: club/models.py:458
+#: club/models.py:457
 msgid "This mailing list already exists."
 msgstr "Cette liste de diffusion existe déjà."
 
-#: club/models.py:497 club/templates/club/mailing.jinja:23
+#: club/models.py:496 club/templates/club/mailing.jinja:23
 msgid "Mailing"
 msgstr "Liste de diffusion"
 
-#: club/models.py:521
+#: club/models.py:520
 msgid "At least user or email is required"
 msgstr "Au moins un utilisateur ou un email est nécessaire"
 
-#: club/models.py:529 club/tests.py:770
+#: club/models.py:528 club/tests.py:770
 msgid "This email is already suscribed in this mailing"
 msgstr "Cet email est déjà abonné à cette mailing"
 
-#: club/models.py:557
+#: club/models.py:556
 msgid "Unregistered user"
 msgstr "Utilisateur non enregistré"
 
@@ -1146,7 +1146,7 @@ msgid "There are no members in this club."
 msgstr "Il n'y a pas de membres dans ce club."
 
 #: club/templates/club/club_members.jinja:80
-#: core/templates/core/file_detail.jinja:19 core/views/forms.py:307
+#: core/templates/core/file_detail.jinja:19 core/views/forms.py:305
 #: launderette/views.py:208 trombi/templates/trombi/detail.jinja:19
 msgid "Add"
 msgstr "Ajouter"
@@ -1426,7 +1426,7 @@ msgstr "Hebdomadaire"
 msgid "Call"
 msgstr "Appel"
 
-#: com/models.py:67 com/models.py:189 com/models.py:263
+#: com/models.py:67 com/models.py:187 com/models.py:261
 #: core/templates/core/macros.jinja:301 election/models.py:12
 #: election/models.py:114 election/models.py:152 forum/models.py:256
 #: forum/models.py:310 pedagogy/models.py:97
@@ -1445,7 +1445,7 @@ msgstr ""
 "Une description de l'évènement (quelle est l'activité ? Y a-t-il un clic "
 "associé ? Y-a-t'il un formulaire d'inscription ?)"
 
-#: com/models.py:76 com/models.py:264 trombi/models.py:188
+#: com/models.py:76 com/models.py:262 trombi/models.py:188
 msgid "content"
 msgstr "contenu"
 
@@ -1453,7 +1453,7 @@ msgstr "contenu"
 msgid "A more detailed and exhaustive description of the event."
 msgstr "Une description plus détaillée et exhaustive de l'évènement."
 
-#: com/models.py:82 core/models.py:1508 launderette/models.py:88
+#: com/models.py:82 core/models.py:1465 launderette/models.py:88
 #: launderette/models.py:124 launderette/models.py:167
 msgid "type"
 msgstr "type"
@@ -1462,60 +1462,60 @@ msgstr "type"
 msgid "The club which organizes the event."
 msgstr "Le club qui organise l'évènement."
 
-#: com/models.py:94 com/models.py:268 pedagogy/models.py:57
+#: com/models.py:94 com/models.py:266 pedagogy/models.py:57
 #: pedagogy/models.py:200 trombi/models.py:178
 msgid "author"
 msgstr "auteur"
 
-#: com/models.py:168
+#: com/models.py:166
 msgid "news_date"
 msgstr "date de la nouvelle"
 
-#: com/models.py:171
+#: com/models.py:169
 msgid "start_date"
 msgstr "date de début"
 
-#: com/models.py:172
+#: com/models.py:170
 msgid "end_date"
 msgstr "date de fin"
 
-#: com/models.py:190
+#: com/models.py:188
 msgid "intro"
 msgstr "intro"
 
-#: com/models.py:191
+#: com/models.py:189
 msgid "joke"
 msgstr "blague"
 
-#: com/models.py:192
+#: com/models.py:190
 msgid "protip"
 msgstr "astuce"
 
-#: com/models.py:193
+#: com/models.py:191
 msgid "conclusion"
 msgstr "conclusion"
 
-#: com/models.py:194
+#: com/models.py:192
 msgid "sent"
 msgstr "envoyé"
 
-#: com/models.py:259
+#: com/models.py:257
 msgid "weekmail"
 msgstr "weekmail"
 
-#: com/models.py:277
+#: com/models.py:275
 msgid "rank"
 msgstr "rang"
 
-#: com/models.py:310 core/models.py:920 core/models.py:970
+#: com/models.py:308 core/models.py:879 core/models.py:929
 msgid "file"
 msgstr "fichier"
 
-#: com/models.py:322
+#: com/models.py:320
 msgid "display time"
 msgstr "temps d'affichage"
 
-#: com/models.py:353
+#: com/models.py:349
 msgid "Begin date should be before end date"
 msgstr "La date de début doit être avant celle de fin"
 
@@ -1766,7 +1766,7 @@ msgstr "Anniversaires"
 msgid "%(age)s year old"
 msgstr "%(age)s ans"
 
-#: com/templates/com/news_list.jinja:156 com/tests.py:103 com/tests.py:113
+#: com/templates/com/news_list.jinja:156 com/tests.py:101 com/tests.py:111
 msgid "You need an up to date subscription to access this content"
 msgstr "Votre cotisation doit être à jour pour accéder à cette section"
 
@@ -1976,253 +1976,211 @@ msgstr "Ce champ est obligatoire."
 msgid "An event cannot end before its beginning."
 msgstr "Un évènement ne peut pas se finir avant d'avoir commencé."
 
-#: com/views.py:449
+#: com/views.py:445
 msgid "Delete and save to regenerate"
 msgstr "Supprimer et sauver pour régénérer"
 
-#: com/views.py:464
+#: com/views.py:460
 msgid "Weekmail of the "
 msgstr "Weekmail du "
 
-#: com/views.py:568
+#: com/views.py:564
 msgid ""
 "You must be a board member of the selected club to post in the Weekmail."
 msgstr ""
 "Vous devez êtres un membre du bureau du club sélectionné pour poster dans le "
 "Weekmail."
 
-#: core/models.py:85
+#: core/models.py:79
 msgid "meta group status"
 msgstr "status du meta-groupe"
 
-#: core/models.py:87
+#: core/models.py:81
 msgid "Whether a group is a meta group or not"
 msgstr "Si un groupe est un meta-groupe ou pas"
 
-#: core/models.py:173
+#: core/models.py:167
 #, python-format
 msgid "%(value)s is not a valid promo (between 0 and %(end)s)"
 msgstr "%(value)s n'est pas une promo valide (doit être entre 0 et %(end)s)"
 
-#: core/models.py:257
-msgid "username"
-msgstr "nom d'utilisateur"
-
-#: core/models.py:261
-msgid "Required. 254 characters or fewer. Letters, digits and ./+/-/_ only."
-msgstr ""
-"Requis. Pas plus de 254 caractères. Uniquement des lettres, numéros, et ./"
-"+/-/_"
-
-#: core/models.py:267
-msgid ""
-"Enter a valid username. This value may contain only letters, numbers and ./"
-"+/-/_ characters."
-msgstr ""
-"Entrez un nom d'utilisateur correct. Uniquement des lettres, numéros, et ./"
-"+/-/_"
-
-#: core/models.py:273
-msgid "A user with that username already exists."
-msgstr "Un utilisateur de ce nom existe déjà"
-
-#: core/models.py:275
+#: core/models.py:250
 msgid "first name"
 msgstr "Prénom"
 
-#: core/models.py:276
+#: core/models.py:251
 msgid "last name"
 msgstr "Nom"
 
-#: core/models.py:277
+#: core/models.py:252
 msgid "email address"
 msgstr "adresse email"
 
-#: core/models.py:278
+#: core/models.py:253
 msgid "date of birth"
 msgstr "date de naissance"
 
-#: core/models.py:279
+#: core/models.py:254
 msgid "nick name"
 msgstr "surnom"
 
-#: core/models.py:281
-msgid "staff status"
-msgstr "status \"staff\""
-
-#: core/models.py:283
-msgid "Designates whether the user can log into this admin site."
-msgstr "Est-ce que l'utilisateur peut se logger à la partie admin du site."
-
-#: core/models.py:286
-msgid "active"
-msgstr "actif"
-
-#: core/models.py:289
-msgid ""
-"Designates whether this user should be treated as active. Unselect this "
-"instead of deleting accounts."
-msgstr ""
-"Est-ce que l'utilisateur doit être traité comme actif. Désélectionnez au "
-"lieu de supprimer les comptes."
-
-#: core/models.py:293
-msgid "date joined"
-msgstr "date d'inscription"
-
-#: core/models.py:294
+#: core/models.py:255
 msgid "last update"
 msgstr "dernière mise à jour"
 
-#: core/models.py:296
-msgid "superuser"
-msgstr "super-utilisateur"
+#: core/models.py:258
+msgid "groups"
+msgstr "groupes"
 
-#: core/models.py:298
-msgid "Designates whether this user is a superuser. "
-msgstr "Est-ce que l'utilisateur est super-utilisateur."
+#: core/models.py:260
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Les groupes auxquels cet utilisateur appartient. Un utilisateur aura toutes les "
+"permissions de chacun de ses groupes."
 
-#: core/models.py:312
+#: core/models.py:277
 msgid "profile"
 msgstr "profil"
 
-#: core/models.py:320
+#: core/models.py:285
 msgid "avatar"
 msgstr "avatar"
 
-#: core/models.py:328
+#: core/models.py:293
 msgid "scrub"
 msgstr "blouse"
 
-#: core/models.py:334
+#: core/models.py:299
 msgid "sex"
 msgstr "Genre"
 
-#: core/models.py:338
+#: core/models.py:303
 msgid "Man"
 msgstr "Homme"
 
-#: core/models.py:338
+#: core/models.py:303
 msgid "Woman"
 msgstr "Femme"
 
-#: core/models.py:340
+#: core/models.py:305
 msgid "pronouns"
 msgstr "pronoms"
 
-#: core/models.py:342
+#: core/models.py:307
 msgid "tshirt size"
 msgstr "taille de t-shirt"
 
-#: core/models.py:345
+#: core/models.py:310
 msgid "-"
 msgstr "-"
 
-#: core/models.py:346
+#: core/models.py:311
 msgid "XS"
 msgstr "XS"
 
-#: core/models.py:347
+#: core/models.py:312
 msgid "S"
 msgstr "S"
 
-#: core/models.py:348
+#: core/models.py:313
 msgid "M"
 msgstr "M"
 
-#: core/models.py:349
+#: core/models.py:314
 msgid "L"
 msgstr "L"
 
-#: core/models.py:350
+#: core/models.py:315
 msgid "XL"
 msgstr "XL"
 
-#: core/models.py:351
+#: core/models.py:316
 msgid "XXL"
 msgstr "XXL"
 
-#: core/models.py:352
+#: core/models.py:317
 msgid "XXXL"
 msgstr "XXXL"
 
-#: core/models.py:360
+#: core/models.py:325
 msgid "Student"
 msgstr "Étudiant"
 
-#: core/models.py:361
+#: core/models.py:326
 msgid "Administrative agent"
 msgstr "Personnel administratif"
 
-#: core/models.py:362
+#: core/models.py:327
 msgid "Teacher"
 msgstr "Enseignant"
 
-#: core/models.py:363
+#: core/models.py:328
 msgid "Agent"
 msgstr "Personnel"
 
-#: core/models.py:364
+#: core/models.py:329
 msgid "Doctor"
 msgstr "Doctorant"
 
-#: core/models.py:365
+#: core/models.py:330
 msgid "Former student"
 msgstr "Ancien étudiant"
 
-#: core/models.py:366
+#: core/models.py:331
 msgid "Service"
 msgstr "Service"
 
-#: core/models.py:372
+#: core/models.py:337
 msgid "department"
 msgstr "département"
 
-#: core/models.py:379
+#: core/models.py:344
 msgid "dpt option"
 msgstr "Filière"
 
-#: core/models.py:381 pedagogy/models.py:70 pedagogy/models.py:294
+#: core/models.py:346 pedagogy/models.py:70 pedagogy/models.py:294
 msgid "semester"
 msgstr "semestre"
 
-#: core/models.py:382
+#: core/models.py:347
 msgid "quote"
 msgstr "citation"
 
-#: core/models.py:383
+#: core/models.py:348
 msgid "school"
 msgstr "école"
 
-#: core/models.py:385
+#: core/models.py:350
 msgid "promo"
 msgstr "promo"
 
-#: core/models.py:388
+#: core/models.py:353
 msgid "forum signature"
 msgstr "signature du forum"
 
-#: core/models.py:390
+#: core/models.py:355
 msgid "second email address"
 msgstr "adresse email secondaire"
 
-#: core/models.py:392
+#: core/models.py:357
 msgid "parent phone"
 msgstr "téléphone des parents"
 
-#: core/models.py:395
+#: core/models.py:360
 msgid "parent address"
 msgstr "adresse des parents"
 
-#: core/models.py:398
+#: core/models.py:363
 msgid "is subscriber viewable"
 msgstr "profil visible par les cotisants"
 
-#: core/models.py:592
+#: core/models.py:556
 msgid "A user with that username already exists"
 msgstr "Un utilisateur de ce nom d'utilisateur existe déjà"
 
-#: core/models.py:759 core/templates/core/macros.jinja:80
+#: core/models.py:718 core/templates/core/macros.jinja:80
 #: core/templates/core/macros.jinja:84 core/templates/core/macros.jinja:85
 #: core/templates/core/user_detail.jinja:100
 #: core/templates/core/user_detail.jinja:101
@@ -2242,101 +2200,101 @@ msgstr "Un utilisateur de ce nom d'utilisateur existe déjà"
 msgid "Profile"
 msgstr "Profil"
 
-#: core/models.py:870
+#: core/models.py:829
 msgid "Visitor"
 msgstr "Visiteur"
 
-#: core/models.py:877
+#: core/models.py:836
 msgid "receive the Weekmail"
 msgstr "recevoir le Weekmail"
 
-#: core/models.py:878
+#: core/models.py:837
 msgid "show your stats to others"
 msgstr "montrez vos statistiques aux autres"
 
-#: core/models.py:880
+#: core/models.py:839
 msgid "get a notification for every click"
 msgstr "avoir une notification pour chaque click"
 
-#: core/models.py:883
+#: core/models.py:842
 msgid "get a notification for every refilling"
 msgstr "avoir une notification pour chaque rechargement"
 
-#: core/models.py:909 sas/forms.py:81
+#: core/models.py:868 sas/forms.py:81
 msgid "file name"
 msgstr "nom du fichier"
 
-#: core/models.py:913 core/models.py:1266
+#: core/models.py:872 core/models.py:1223
 msgid "parent"
 msgstr "parent"
 
-#: core/models.py:927
+#: core/models.py:886
 msgid "compressed file"
 msgstr "version allégée"
 
-#: core/models.py:934
+#: core/models.py:893
 msgid "thumbnail"
 msgstr "miniature"
 
-#: core/models.py:942 core/models.py:959
+#: core/models.py:901 core/models.py:918
 msgid "owner"
 msgstr "propriétaire"
 
-#: core/models.py:946 core/models.py:1283
+#: core/models.py:905 core/models.py:1240
 msgid "edit group"
 msgstr "groupe d'édition"
 
-#: core/models.py:949 core/models.py:1286
+#: core/models.py:908 core/models.py:1243
 msgid "view group"
 msgstr "groupe de vue"
 
-#: core/models.py:951
+#: core/models.py:910
 msgid "is folder"
 msgstr "est un dossier"
 
-#: core/models.py:952
+#: core/models.py:911
 msgid "mime type"
 msgstr "type mime"
 
-#: core/models.py:953
+#: core/models.py:912
 msgid "size"
 msgstr "taille"
 
-#: core/models.py:964
+#: core/models.py:923
 msgid "asked for removal"
 msgstr "retrait demandé"
 
-#: core/models.py:966
+#: core/models.py:925
 msgid "is in the SAS"
 msgstr "est dans le SAS"
 
-#: core/models.py:1035
+#: core/models.py:992
 msgid "Character '/' not authorized in name"
 msgstr "Le caractère '/' n'est pas autorisé dans les noms de fichier"
 
-#: core/models.py:1037 core/models.py:1041
+#: core/models.py:994 core/models.py:998
 msgid "Loop in folder tree"
 msgstr "Boucle dans l'arborescence des dossiers"
 
-#: core/models.py:1044
+#: core/models.py:1001
 msgid "You can not make a file be a children of a non folder file"
 msgstr ""
 "Vous ne pouvez pas mettre un fichier enfant de quelque chose qui n'est pas "
 "un dossier"
 
-#: core/models.py:1055
+#: core/models.py:1012
 msgid "Duplicate file"
 msgstr "Un fichier de ce nom existe déjà"
 
-#: core/models.py:1072
+#: core/models.py:1029
 msgid "You must provide a file"
 msgstr "Vous devez fournir un fichier"
 
-#: core/models.py:1249
+#: core/models.py:1206
 msgid "page unix name"
 msgstr "nom unix de la page"
 
-#: core/models.py:1255
+#: core/models.py:1212
 msgid ""
 "Enter a valid page name. This value may contain only unaccented letters, "
 "numbers and ./+/-/_ characters."
@@ -2344,55 +2302,55 @@ msgstr ""
 "Entrez un nom de page correct. Uniquement des lettres non accentuées, "
 "numéros, et ./+/-/_"
 
-#: core/models.py:1273
+#: core/models.py:1230
 msgid "page name"
 msgstr "nom de la page"
 
-#: core/models.py:1278
+#: core/models.py:1235
 msgid "owner group"
 msgstr "groupe propriétaire"
 
-#: core/models.py:1291
+#: core/models.py:1248
 msgid "lock user"
 msgstr "utilisateur bloquant"
 
-#: core/models.py:1298
+#: core/models.py:1255
 msgid "lock_timeout"
 msgstr "décompte du déblocage"
 
-#: core/models.py:1348
+#: core/models.py:1305
 msgid "Duplicate page"
 msgstr "Une page de ce nom existe déjà"
 
-#: core/models.py:1351
+#: core/models.py:1308
 msgid "Loop in page tree"
 msgstr "Boucle dans l'arborescence des pages"
 
-#: core/models.py:1462
+#: core/models.py:1419
 msgid "revision"
 msgstr "révision"
 
-#: core/models.py:1463
+#: core/models.py:1420
 msgid "page title"
 msgstr "titre de la page"
 
-#: core/models.py:1464
+#: core/models.py:1421
 msgid "page content"
 msgstr "contenu de la page"
 
-#: core/models.py:1505
+#: core/models.py:1462
 msgid "url"
 msgstr "url"
 
-#: core/models.py:1506
+#: core/models.py:1463
 msgid "param"
 msgstr "param"
 
-#: core/models.py:1511
+#: core/models.py:1468
 msgid "viewed"
 msgstr "vue"
 
-#: core/models.py:1569
+#: core/models.py:1526
 msgid "operation type"
 msgstr "type d'opération"
 
@@ -2543,7 +2501,7 @@ msgid "Launderette"
 msgstr "Laverie"
 
 #: core/templates/core/base/navbar.jinja:28 core/templates/core/file.jinja:24
-#: core/views/files.py:121
+#: core/views/files.py:122
 msgid "Files"
 msgstr "Fichiers"
 
@@ -3508,16 +3466,16 @@ msgid_plural "%(nb_days)d days, %(remainder)s"
 msgstr[0] ""
 msgstr[1] ""
 
-#: core/views/files.py:118
+#: core/views/files.py:119
 msgid "Add a new folder"
 msgstr "Ajouter un nouveau dossier"
 
-#: core/views/files.py:138
+#: core/views/files.py:139
 #, python-format
 msgid "Error creating folder %(folder_name)s: %(msg)s"
 msgstr "Erreur de création du dossier %(folder_name)s : %(msg)s"
 
-#: core/views/files.py:158 core/views/forms.py:272 core/views/forms.py:279
+#: core/views/files.py:159 core/views/forms.py:270 core/views/forms.py:277
 #: sas/forms.py:60
 #, python-format
 msgid "Error uploading file %(file_name)s: %(msg)s"
@@ -3539,7 +3497,7 @@ msgstr "Choisir un utilisateur"
 msgid "Username, email, or account number"
 msgstr "Nom d'utilisateur, email, ou numéro de compte AE"
 
-#: core/views/forms.py:222
+#: core/views/forms.py:220
 msgid ""
 "Profile: you need to be visible on the picture, in order to be recognized (e."
 "g. by the barmen)"
@@ -3547,53 +3505,53 @@ msgstr ""
 "Photo de profil: vous devez être visible sur la photo afin d'être reconnu "
 "(par exemple par les barmen)"
 
-#: core/views/forms.py:227
+#: core/views/forms.py:225
 msgid "Avatar: used on the forum"
 msgstr "Avatar : utilisé sur le forum"
 
-#: core/views/forms.py:231
+#: core/views/forms.py:229
 msgid "Scrub: let other know how your scrub looks like!"
 msgstr "Blouse : montrez aux autres à quoi ressemble votre blouse !"
 
-#: core/views/forms.py:283
+#: core/views/forms.py:281
 msgid "Bad image format, only jpeg, png, webp and gif are accepted"
 msgstr "Mauvais format d'image, seuls les jpeg, png, webp et gif sont acceptés"
 
-#: core/views/forms.py:304
+#: core/views/forms.py:302
 msgid "Godfather / Godmother"
 msgstr "Parrain / Marraine"
 
-#: core/views/forms.py:305
+#: core/views/forms.py:303
 msgid "Godchild"
 msgstr "Fillot / Fillote"
 
-#: core/views/forms.py:310 counter/forms.py:78 trombi/views.py:151
+#: core/views/forms.py:308 counter/forms.py:78 trombi/views.py:151
 msgid "Select user"
 msgstr "Choisir un utilisateur"
 
-#: core/views/forms.py:324
+#: core/views/forms.py:322
 msgid "This user does not exist"
 msgstr "Cet utilisateur n'existe pas"
 
-#: core/views/forms.py:326
+#: core/views/forms.py:324
 msgid "You cannot be related to yourself"
 msgstr "Vous ne pouvez pas être relié à vous-même"
 
-#: core/views/forms.py:338
+#: core/views/forms.py:336
 #, python-format
 msgid "%s is already your godfather"
 msgstr "%s est déjà votre parrain/marraine"
 
-#: core/views/forms.py:344
+#: core/views/forms.py:342
 #, python-format
 msgid "%s is already your godchild"
 msgstr "%s est déjà votre fillot/fillote"
 
-#: core/views/group.py:41
+#: core/views/group.py:39
 msgid "Users to add to group"
 msgstr "Utilisateurs à ajouter au groupe"
 
-#: core/views/group.py:50
+#: core/views/group.py:48
 msgid "Users to remove from group"
 msgstr "Utilisateurs à retirer du groupe"
 
@@ -3649,10 +3607,6 @@ msgstr "Votre compte AE a été vidé"
 msgid "Clearing of your AE account"
 msgstr "Vidange de votre compte AE"
 
-#: counter/migrations/0013_customer_recorded_products.py:25
-msgid "Ecocup regularization"
-msgstr "Régularization des ecocups"
-
 #: counter/models.py:92
 msgid "account id"
 msgstr "numéro de compte"
diff --git a/pedagogy/migrations/0002_auto_20190827_2251.py b/pedagogy/migrations/0002_auto_20190827_2251.py
index 2b1f4b36..7fbe05a8 100644
--- a/pedagogy/migrations/0002_auto_20190827_2251.py
+++ b/pedagogy/migrations/0002_auto_20190827_2251.py
@@ -25,26 +25,11 @@ from __future__ import unicode_literals
 
 from django.db import migrations
 
-from core.models import User
-
-
-def remove_multiples_comments_from_same_user(apps, schema_editor):
-    for user in User.objects.exclude(uv_comments=None).prefetch_related("uv_comments"):
-        for uv in user.uv_comments.values("uv").distinct():
-            last = (
-                user.uv_comments.filter(uv__id=uv["uv"])
-                .order_by("-publish_date")
-                .first()
-            )
-            user.uv_comments.filter(uv__id=uv["uv"]).exclude(pk=last.pk).delete()
-
 
 class Migration(migrations.Migration):
     dependencies = [("pedagogy", "0001_initial")]
 
-    operations = [
-        migrations.RunPython(
-            remove_multiples_comments_from_same_user,
-            reverse_code=migrations.RunPython.noop,
-        )
-    ]
+    # This migration contained just a RunPython operation
+    # Which has since been removed.
+    # The migration itself is kept in order not to break the migration tree
+    operations = []
diff --git a/pedagogy/tests/test_api.py b/pedagogy/tests/test_api.py
index b8fb90b4..cbb99c18 100644
--- a/pedagogy/tests/test_api.py
+++ b/pedagogy/tests/test_api.py
@@ -8,7 +8,7 @@ from model_bakery import baker
 from model_bakery.recipe import Recipe
 
 from core.baker_recipes import subscriber_user
-from core.models import RealGroup, User
+from core.models import Group, User
 from pedagogy.models import UV
 
 
@@ -80,9 +80,7 @@ class TestUVSearch(TestCase):
             subscriber_user.make(),
             baker.make(
                 User,
-                groups=[
-                    RealGroup.objects.get(pk=settings.SITH_GROUP_PEDAGOGY_ADMIN_ID)
-                ],
+                groups=[Group.objects.get(pk=settings.SITH_GROUP_PEDAGOGY_ADMIN_ID)],
             ),
         ):
             # users that have right
diff --git a/pedagogy/views.py b/pedagogy/views.py
index ca2c712e..99dd8168 100644
--- a/pedagogy/views.py
+++ b/pedagogy/views.py
@@ -24,6 +24,7 @@
 from django.conf import settings
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.core.exceptions import PermissionDenied
+from django.db.models import Exists, OuterRef
 from django.shortcuts import get_object_or_404
 from django.urls import reverse, reverse_lazy
 from django.views.generic import (
@@ -34,7 +35,7 @@ from django.views.generic import (
     UpdateView,
 )
 
-from core.models import Notification, RealGroup
+from core.models import Notification, User
 from core.views import (
     CanCreateMixin,
     CanEditPropMixin,
@@ -156,21 +157,19 @@ class UVCommentReportCreateView(CanCreateMixin, CreateView):
 
     def form_valid(self, form):
         resp = super().form_valid(form)
-
         # Send a message to moderation admins
-        for user in (
-            RealGroup.objects.filter(id=settings.SITH_GROUP_PEDAGOGY_ADMIN_ID)
-            .first()
-            .users.all()
+        unread_notif_subquery = Notification.objects.filter(
+            user=OuterRef("pk"), type="PEDAGOGY_MODERATION", viewed=False
+        )
+        for user in User.objects.filter(
+            ~Exists(unread_notif_subquery),
+            groups__id__in=[settings.SITH_GROUP_PEDAGOGY_ADMIN_ID],
         ):
-            if not user.notifications.filter(
-                type="PEDAGOGY_MODERATION", viewed=False
-            ).exists():
-                Notification(
-                    user=user,
-                    url=reverse("pedagogy:moderation"),
-                    type="PEDAGOGY_MODERATION",
-                ).save()
+            Notification.objects.create(
+                user=user,
+                url=reverse("pedagogy:moderation"),
+                type="PEDAGOGY_MODERATION",
+            )
 
         return resp
 
diff --git a/rootplace/tests.py b/rootplace/tests.py
index 0d0f1542..a2bbee81 100644
--- a/rootplace/tests.py
+++ b/rootplace/tests.py
@@ -19,7 +19,7 @@ from django.urls import reverse
 from django.utils.timezone import localtime, now
 
 from club.models import Club
-from core.models import RealGroup, User
+from core.models import Group, User
 from counter.models import Counter, Customer, Product, Refilling, Selling
 from subscription.models import Subscription
 
@@ -50,9 +50,9 @@ class TestMergeUser(TestCase):
         self.to_keep.address = "Jerusalem"
         self.to_delete.parent_address = "Rome"
         self.to_delete.address = "Rome"
-        subscribers = RealGroup.objects.get(name="Subscribers")
-        mde_admin = RealGroup.objects.get(name="MDE admin")
-        sas_admin = RealGroup.objects.get(name="SAS admin")
+        subscribers = Group.objects.get(name="Subscribers")
+        mde_admin = Group.objects.get(name="MDE admin")
+        sas_admin = Group.objects.get(name="SAS admin")
         self.to_keep.groups.add(subscribers.id)
         self.to_delete.groups.add(mde_admin.id)
         self.to_keep.groups.add(sas_admin.id)
diff --git a/sas/tests/test_api.py b/sas/tests/test_api.py
index 733838d2..9b24688b 100644
--- a/sas/tests/test_api.py
+++ b/sas/tests/test_api.py
@@ -7,7 +7,7 @@ from model_bakery import baker
 from model_bakery.recipe import Recipe
 
 from core.baker_recipes import old_subscriber_user, subscriber_user
-from core.models import RealGroup, SithFile, User
+from core.models import Group, SithFile, User
 from sas.baker_recipes import picture_recipe
 from sas.models import Album, PeoplePictureRelation, Picture, PictureModerationRequest
 
@@ -155,7 +155,7 @@ class TestPictureRelation(TestSas):
     def test_delete_relation_with_authorized_users(self):
         """Test that deletion works as intended when called by an authorized user."""
         relation: PeoplePictureRelation = self.user_a.pictures.first()
-        sas_admin_group = RealGroup.objects.get(pk=settings.SITH_GROUP_SAS_ADMIN_ID)
+        sas_admin_group = Group.objects.get(pk=settings.SITH_GROUP_SAS_ADMIN_ID)
         sas_admin = baker.make(User, groups=[sas_admin_group])
         root = baker.make(User, is_superuser=True)
         for user in sas_admin, root, self.user_a:
@@ -189,7 +189,7 @@ class TestPictureModeration(TestSas):
     def setUpTestData(cls):
         super().setUpTestData()
         cls.sas_admin = baker.make(
-            User, groups=[RealGroup.objects.get(pk=settings.SITH_GROUP_SAS_ADMIN_ID)]
+            User, groups=[Group.objects.get(pk=settings.SITH_GROUP_SAS_ADMIN_ID)]
         )
         cls.picture = Picture.objects.filter(parent=cls.album_a)[0]
         cls.picture.is_moderated = False
diff --git a/sas/tests/test_views.py b/sas/tests/test_views.py
index 2a73b90b..ff8dd21d 100644
--- a/sas/tests/test_views.py
+++ b/sas/tests/test_views.py
@@ -23,7 +23,7 @@ from model_bakery import baker
 from pytest_django.asserts import assertInHTML, assertRedirects
 
 from core.baker_recipes import old_subscriber_user, subscriber_user
-from core.models import RealGroup, User
+from core.models import Group, User
 from sas.baker_recipes import picture_recipe
 from sas.models import Album, Picture
 
@@ -38,7 +38,7 @@ from sas.models import Album, Picture
         old_subscriber_user.make,
         lambda: baker.make(User, is_superuser=True),
         lambda: baker.make(
-            User, groups=[RealGroup.objects.get(pk=settings.SITH_GROUP_SAS_ADMIN_ID)]
+            User, groups=[Group.objects.get(pk=settings.SITH_GROUP_SAS_ADMIN_ID)]
         ),
         lambda: baker.make(User),
     ],
@@ -80,7 +80,7 @@ class TestSasModeration(TestCase):
         cls.to_moderate.is_moderated = False
         cls.to_moderate.save()
         cls.moderator = baker.make(
-            User, groups=[RealGroup.objects.get(pk=settings.SITH_GROUP_SAS_ADMIN_ID)]
+            User, groups=[Group.objects.get(pk=settings.SITH_GROUP_SAS_ADMIN_ID)]
         )
         cls.simple_user = subscriber_user.make()