diff --git a/club/admin.py b/club/admin.py
index c9ae46a4..10de0e67 100644
--- a/club/admin.py
+++ b/club/admin.py
@@ -29,4 +29,3 @@ from club.models import Club, Membership
 
 admin.site.register(Club)
 admin.site.register(Membership)
-
diff --git a/club/models.py b/club/models.py
index 4f1f4852..242250f5 100644
--- a/club/models.py
+++ b/club/models.py
@@ -27,12 +27,13 @@ from django.core import validators
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 from django.core.exceptions import ValidationError
-from django.db import IntegrityError, transaction
+from django.db import transaction
 from django.core.urlresolvers import reverse
 from django.utils import timezone
 
 from core.models import User, MetaGroup, Group, SithFile
 
+
 # Create your models here.
 
 class Club(models.Model):
@@ -43,17 +44,17 @@ class Club(models.Model):
     name = models.CharField(_('name'), max_length=64)
     parent = models.ForeignKey('Club', related_name='children', null=True, blank=True)
     unix_name = models.CharField(_('unix name'), max_length=30, unique=True,
-            validators=[
-                validators.RegexValidator(
-                    r'^[a-z0-9][a-z0-9._-]*[a-z0-9]$',
-                    _('Enter a valid unix name. This value may contain only '
-                        'letters, numbers ./-/_ characters.')
-                    ),
-                ],
-            error_messages={
-                'unique': _("A club with that unix name already exists."),
-                },
-            )
+                                 validators=[
+        validators.RegexValidator(
+            r'^[a-z0-9][a-z0-9._-]*[a-z0-9]$',
+            _('Enter a valid unix name. This value may contain only '
+              'letters, numbers ./-/_ characters.')
+        ),
+    ],
+        error_messages={
+        'unique': _("A club with that unix name already exists."),
+    },
+    )
     address = models.CharField(_('address'), max_length=254)
     # email = models.EmailField(_('email address'), unique=True) # This should, and will be generated automatically
     owner_group = models.ForeignKey(Group, related_name="owned_club",
@@ -61,7 +62,7 @@ class Club(models.Model):
     edit_groups = models.ManyToManyField(Group, related_name="editable_club", blank=True)
     view_groups = models.ManyToManyField(Group, related_name="viewable_club", blank=True)
     home = models.OneToOneField(SithFile, related_name='home_of_club', verbose_name=_("home"), null=True, blank=True,
-            on_delete=models.SET_NULL)
+                                on_delete=models.SET_NULL)
 
     class Meta:
         ordering = ['name', 'unix_name']
@@ -109,9 +110,9 @@ class Club(models.Model):
                     self._change_unixname(self.unix_name)
             super(Club, self).save(*args, **kwargs)
             if creation:
-                board = MetaGroup(name=self.unix_name+settings.SITH_BOARD_SUFFIX)
+                board = MetaGroup(name=self.unix_name + settings.SITH_BOARD_SUFFIX)
                 board.save()
-                member = MetaGroup(name=self.unix_name+settings.SITH_MEMBER_SUFFIX)
+                member = MetaGroup(name=self.unix_name + settings.SITH_MEMBER_SUFFIX)
                 member.save()
                 subscribers = Group.objects.filter(name=settings.SITH_MAIN_MEMBERS_GROUP).first()
                 self.make_home()
@@ -153,6 +154,7 @@ class Club(models.Model):
         return sub.is_subscribed
 
     _memberships = {}
+
     def get_membership_for(self, user):
         """
         Returns the current membership the given user
@@ -168,6 +170,7 @@ class Club(models.Model):
                 Club._memberships[self.id][user.id] = m
             return m
 
+
 class Membership(models.Model):
     """
     The Membership class makes the connection between User and Clubs
@@ -184,7 +187,7 @@ class Membership(models.Model):
     start_date = models.DateField(_('start date'), default=timezone.now)
     end_date = models.DateField(_('end date'), null=True, blank=True)
     role = models.IntegerField(_('role'), choices=sorted(settings.SITH_CLUB_ROLES.items()),
-            default=sorted(settings.SITH_CLUB_ROLES.items())[0][0])
+                               default=sorted(settings.SITH_CLUB_ROLES.items())[0][0])
     description = models.CharField(_('description'), max_length=128, null=False, blank=True)
 
     def clean(self):
@@ -195,9 +198,9 @@ class Membership(models.Model):
             raise ValidationError(_('User is already member of that club'))
 
     def __str__(self):
-        return self.club.name+' - '+self.user.username+' - '+str(settings.SITH_CLUB_ROLES[self.role])+str(
-                " - "+str(_('past member')) if self.end_date is not None else ""
-                )
+        return self.club.name + ' - ' + self.user.username + ' - ' + str(settings.SITH_CLUB_ROLES[self.role]) + str(
+            " - " + str(_('past member')) if self.end_date is not None else ""
+        )
 
     def is_owned_by(self, user):
         """
@@ -216,4 +219,3 @@ class Membership(models.Model):
 
     def get_absolute_url(self):
         return reverse('club:club_members', kwargs={'club_id': self.club.id})
-
diff --git a/club/tests.py b/club/tests.py
index 88020b14..87a2009f 100644
--- a/club/tests.py
+++ b/club/tests.py
@@ -31,6 +31,7 @@ from club.models import Club
 
 # Create your tests here.
 
+
 class ClubTest(TestCase):
     def setUp(self):
         call_command("populate")
@@ -41,34 +42,34 @@ class ClubTest(TestCase):
 
     def test_create_add_user_to_club_from_root_ok(self):
         self.client.login(username='root', password='plop')
-        self.client.post(reverse("club:club_members", kwargs={"club_id":self.bdf.id}), {
+        self.client.post(reverse("club:club_members", kwargs={"club_id": self.bdf.id}), {
             "user": self.skia.id,
             "start_date": "12/06/2016",
             "role": 3})
-        response = self.client.get(reverse("club:club_members", kwargs={"club_id":self.bdf.id}))
+        response = self.client.get(reverse("club:club_members", kwargs={"club_id": self.bdf.id}))
         self.assertTrue(response.status_code == 200)
         self.assertTrue("S&#39; Kia</a></td>\\n                <td>Responsable info</td>" in str(response.content))
 
     def test_create_add_user_to_club_from_root_fail_not_subscriber(self):
         self.client.login(username='root', password='plop')
-        response = self.client.post(reverse("club:club_members", kwargs={"club_id":self.bdf.id}), {
+        response = self.client.post(reverse("club:club_members", kwargs={"club_id": self.bdf.id}), {
             "user": self.guy.id,
             "start_date": "12/06/2016",
             "role": 3})
         self.assertTrue(response.status_code == 200)
         self.assertTrue('<ul class="errorlist nonfield"><li>' in str(response.content))
-        response = self.client.get(reverse("club:club_members", kwargs={"club_id":self.bdf.id}))
+        response = self.client.get(reverse("club:club_members", kwargs={"club_id": self.bdf.id}))
         self.assertFalse("Guy Carlier</a></td>\\n                <td>Responsable info</td>" in str(response.content))
 
     def test_create_add_user_to_club_from_root_fail_already_in_club(self):
         self.client.login(username='root', password='plop')
-        self.client.post(reverse("club:club_members", kwargs={"club_id":self.bdf.id}), {
+        self.client.post(reverse("club:club_members", kwargs={"club_id": self.bdf.id}), {
             "user": self.skia.id,
             "start_date": "12/06/2016",
             "role": 3})
-        response = self.client.get(reverse("club:club_members", kwargs={"club_id":self.bdf.id}))
+        response = self.client.get(reverse("club:club_members", kwargs={"club_id": self.bdf.id}))
         self.assertTrue("S&#39; Kia</a></td>\\n                <td>Responsable info</td>" in str(response.content))
-        response = self.client.post(reverse("club:club_members", kwargs={"club_id":self.bdf.id}), {
+        response = self.client.post(reverse("club:club_members", kwargs={"club_id": self.bdf.id}), {
             "user": self.skia.id,
             "start_date": "12/06/2016",
             "role": 4})
@@ -77,30 +78,29 @@ class ClubTest(TestCase):
 
     def test_create_add_user_to_club_from_skia_ok(self):
         self.client.login(username='root', password='plop')
-        self.client.post(reverse("club:club_members", kwargs={"club_id":self.bdf.id}), {
+        self.client.post(reverse("club:club_members", kwargs={"club_id": self.bdf.id}), {
             "user": self.skia.id,
             "start_date": "12/06/2016",
             "role": 10})
         self.client.login(username='skia', password='plop')
-        self.client.post(reverse("club:club_members", kwargs={"club_id":self.bdf.id}), {
+        self.client.post(reverse("club:club_members", kwargs={"club_id": self.bdf.id}), {
             "user": self.rbatsbak.id,
             "start_date": "12/06/2016",
             "role": 9})
-        response = self.client.get(reverse("club:club_members", kwargs={"club_id":self.bdf.id}))
+        response = self.client.get(reverse("club:club_members", kwargs={"club_id": self.bdf.id}))
         self.assertTrue(response.status_code == 200)
         self.assertTrue("""Richard Batsbak</a></td>\\n                <td>Vice-Pr\\xc3\\xa9sident</td>""" in str(response.content))
 
     def test_create_add_user_to_club_from_richard_fail(self):
         self.client.login(username='root', password='plop')
-        self.client.post(reverse("club:club_members", kwargs={"club_id":self.bdf.id}), {
+        self.client.post(reverse("club:club_members", kwargs={"club_id": self.bdf.id}), {
             "user": self.rbatsbak.id,
             "start_date": "12/06/2016",
             "role": 3})
         self.client.login(username='rbatsbak', password='plop')
-        response = self.client.post(reverse("club:club_members", kwargs={"club_id":self.bdf.id}), {
+        response = self.client.post(reverse("club:club_members", kwargs={"club_id": self.bdf.id}), {
             "user": self.skia.id,
             "start_date": "12/06/2016",
             "role": 10})
         self.assertTrue(response.status_code == 200)
         self.assertTrue("<li>Vous n&#39;avez pas la permission de faire cela</li>" in str(response.content))
-
diff --git a/club/urls.py b/club/urls.py
index d141d0bb..95f7768e 100644
--- a/club/urls.py
+++ b/club/urls.py
@@ -22,7 +22,7 @@
 #
 #
 
-from django.conf.urls import url, include
+from django.conf.urls import url
 
 from club.views import *
 
@@ -40,4 +40,3 @@ urlpatterns = [
     url(r'^(?P<club_id>[0-9]+)/tools$', ClubToolsView.as_view(), name='tools'),
     url(r'^membership/(?P<membership_id>[0-9]+)/set_old$', MembershipSetOldView.as_view(), name='membership_set_old'),
 ]
-
diff --git a/club/views.py b/club/views.py
index 8d985964..e608d6ac 100644
--- a/club/views.py
+++ b/club/views.py
@@ -23,27 +23,21 @@
 #
 
 from django import forms
-from django.shortcuts import render
 from django.views.generic import ListView, DetailView, TemplateView
 from django.views.generic.edit import UpdateView, CreateView
-from django.forms import CheckboxSelectMultiple
-from django.core.exceptions import ValidationError
 from django.http import HttpResponseRedirect, HttpResponse
 from django.core.urlresolvers import reverse
 from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import ugettext as _t
-from django.conf import settings
 from ajax_select.fields import AutoCompleteSelectField
 
-from datetime import timedelta
-
 from core.views import CanViewMixin, CanEditMixin, CanEditPropMixin, TabedViewMixin
-from core.views.forms import SelectDate, SelectSingle, SelectDateTime
+from core.views.forms import SelectDate, SelectDateTime
 from club.models import Club, Membership
-from core.models import User
-from sith.settings import SITH_MAXIMUM_FREE_ROLE, SITH_MAIN_BOARD_GROUP
-from counter.models import Product, Selling, Counter
+from sith.settings import SITH_MAXIMUM_FREE_ROLE
+from counter.models import Selling, Counter
+
 
 class ClubTabsMixin(TabedViewMixin):
     def get_tabs_title(self):
@@ -52,45 +46,46 @@ class ClubTabsMixin(TabedViewMixin):
     def get_list_of_tabs(self):
         tab_list = []
         tab_list.append({
-                    'url': reverse('club:club_view', kwargs={'club_id': self.object.id}),
-                    'slug': 'infos',
+            'url': reverse('club:club_view', kwargs={'club_id': self.object.id}),
+            'slug': 'infos',
                     'name': _("Infos"),
-                    })
+        })
         if self.request.user.can_view(self.object):
             tab_list.append({
-                        'url': reverse('club:club_members', kwargs={'club_id': self.object.id}),
-                        'slug': 'members',
+                'url': reverse('club:club_members', kwargs={'club_id': self.object.id}),
+                'slug': 'members',
                         'name': _("Members"),
-                        })
+            })
             tab_list.append({
-                        'url': reverse('club:club_old_members', kwargs={'club_id': self.object.id}),
-                        'slug': 'elderlies',
+                'url': reverse('club:club_old_members', kwargs={'club_id': self.object.id}),
+                'slug': 'elderlies',
                         'name': _("Old members"),
-                        })
+            })
         if self.request.user.can_edit(self.object):
             tab_list.append({
-                        'url': reverse('club:tools', kwargs={'club_id': self.object.id}),
-                        'slug': 'tools',
+                'url': reverse('club:tools', kwargs={'club_id': self.object.id}),
+                'slug': 'tools',
                         'name': _("Tools"),
-                        })
+            })
             tab_list.append({
-                        'url': reverse('club:club_edit', kwargs={'club_id': self.object.id}),
-                        'slug': 'edit',
+                'url': reverse('club:club_edit', kwargs={'club_id': self.object.id}),
+                'slug': 'edit',
                         'name': _("Edit"),
-                        })
+            })
             tab_list.append({
-                        'url': reverse('club:club_sellings', kwargs={'club_id': self.object.id}),
-                        'slug': 'sellings',
+                'url': reverse('club:club_sellings', kwargs={'club_id': self.object.id}),
+                'slug': 'sellings',
                         'name': _("Sellings"),
-                        })
+            })
         if self.request.user.is_owner(self.object):
             tab_list.append({
-                        'url': reverse('club:club_prop', kwargs={'club_id': self.object.id}),
-                        'slug': 'props',
+                'url': reverse('club:club_prop', kwargs={'club_id': self.object.id}),
+                'slug': 'props',
                         'name': _("Props"),
-                        })
+            })
         return tab_list
 
+
 class ClubListView(ListView):
     """
     List the Clubs
@@ -98,6 +93,7 @@ class ClubListView(ListView):
     model = Club
     template_name = 'club/club_list.jinja'
 
+
 class ClubView(ClubTabsMixin, DetailView):
     """
     Front page of a Club
@@ -107,6 +103,7 @@ class ClubView(ClubTabsMixin, DetailView):
     template_name = 'club/club_detail.jinja'
     current_tab = "infos"
 
+
 class ClubToolsView(ClubTabsMixin, CanEditMixin, DetailView):
     """
     Tools page of a Club
@@ -116,27 +113,30 @@ class ClubToolsView(ClubTabsMixin, CanEditMixin, DetailView):
     template_name = 'club/club_tools.jinja'
     current_tab = "tools"
 
+
 class ClubMemberForm(forms.ModelForm):
     """
     Form handling the members of a club
     """
     error_css_class = 'error'
     required_css_class = 'required'
+
     class Meta:
         model = Membership
         fields = ['user', 'role', 'start_date', 'description']
         widgets = {
-                'start_date': SelectDate
-                }
+            'start_date': SelectDate
+        }
     user = AutoCompleteSelectField('users', required=True, label=_("Select user"), help_text=None)
 
     def save(self, *args, **kwargs):
         """
         Overloaded to return the club, and not to a Membership object that has no view
         """
-        ret = super(ClubMemberForm, self).save(*args, **kwargs)
+        super(ClubMemberForm, self).save(*args, **kwargs)
         return self.instance.club
 
+
 class ClubMembersView(ClubTabsMixin, CanViewMixin, UpdateView):
     """
     View of a club's members
@@ -153,9 +153,9 @@ class ClubMembersView(ClubTabsMixin, CanViewMixin, UpdateView):
         That's why the save method of ClubMemberForm is overridden.
         """
         form = super(ClubMembersView, self).get_form()
-        if 'user' in form.data and form.data.get('user') != '': # Load an existing membership if possible
+        if 'user' in form.data and form.data.get('user') != '':  # Load an existing membership if possible
             form.instance = Membership.objects.filter(club=self.object).filter(user=form.data.get('user')).filter(end_date=None).first()
-        if form.instance is None: # Instanciate a new membership
+        if form.instance is None:  # Instanciate a new membership
             form.instance = Membership(club=self.object, user=self.request.user)
         if not self.request.user.is_root:
             form.fields.pop('start_date', None)
@@ -174,7 +174,7 @@ class ClubMembersView(ClubTabsMixin, CanViewMixin, UpdateView):
             if (form.cleaned_data['role'] <= SITH_MAXIMUM_FREE_ROLE or
                 (ms is not None and ms.role >= form.cleaned_data['role']) or
                 request.user.is_board_member or
-                request.user.is_root):
+                    request.user.is_root):
                 return self.form_valid(form)
             else:
                 form.add_error(None, _("You do not have the permission to do that"))
@@ -182,6 +182,7 @@ class ClubMembersView(ClubTabsMixin, CanViewMixin, UpdateView):
         else:
             return self.form_invalid(form)
 
+
 class ClubOldMembersView(ClubTabsMixin, CanViewMixin, DetailView):
     """
     Old members of a club
@@ -191,11 +192,13 @@ class ClubOldMembersView(ClubTabsMixin, CanViewMixin, DetailView):
     template_name = 'club/club_old_members.jinja'
     current_tab = "elderlies"
 
+
 class SellingsFormBase(forms.Form):
     begin_date = forms.DateTimeField(['%Y-%m-%d %H:%M:%S'], label=_("Begin date"), required=False, widget=SelectDateTime)
     end_date = forms.DateTimeField(['%Y-%m-%d %H:%M:%S'], label=_("End date"), required=False, widget=SelectDateTime)
     counter = forms.ModelChoiceField(Counter.objects.order_by('name').all(), label=_("Counter"), required=False)
 
+
 class ClubSellingView(ClubTabsMixin, CanEditMixin, DetailView):
     """
     Sellings of a club
@@ -207,8 +210,8 @@ class ClubSellingView(ClubTabsMixin, CanEditMixin, DetailView):
 
     def get_form_class(self):
         kwargs = {
-                'product': forms.ModelChoiceField(self.object.products.order_by('name').all(), label=_("Product"), required=False)
-                }
+            'product': forms.ModelChoiceField(self.object.products.order_by('name').all(), label=_("Product"), required=False)
+        }
         return type('SellingsForm', (SellingsFormBase,), kwargs)
 
     def get_context_data(self, **kwargs):
@@ -235,6 +238,7 @@ class ClubSellingView(ClubTabsMixin, CanEditMixin, DetailView):
         kwargs['form'] = form
         return kwargs
 
+
 class ClubSellingCSVView(ClubSellingView):
     """
     Generate sellings in csv for a given period
@@ -252,27 +256,31 @@ class ClubSellingCSVView(ClubSellingView):
         writer.writerow([_t('Quantity'), kwargs['total_quantity']])
         writer.writerow([_t('Total'), kwargs['total']])
         writer.writerow([_t('Benefit'), kwargs['benefit']])
-        writer.writerow([_t('Date'),_t('Counter'),_t('Barman'),_t('Customer'),_t('Label'),
-                         _t('Quantity'), _t('Total'),_t('Payment method'), _t('Selling price'), _t('Purchase price'), _t('Benefit')])
+        writer.writerow([_t('Date'), _t('Counter'), _t('Barman'), _t('Customer'), _t('Label'),
+                         _t('Quantity'), _t('Total'), _t('Payment method'), _t('Selling price'), _t('Purchase price'), _t('Benefit')])
         for o in kwargs['result']:
             row = [o.date, o.counter]
             if o.seller:
                 row.append(o.seller.get_display_name())
-            else: row.append('')
+            else:
+                row.append('')
             if o.customer:
                 row.append(o.customer.user.get_display_name())
-            else: row.append('')
-            row = row +[o.label, o.quantity, o.quantity * o.unit_price,
-                       o.get_payment_method_display()]
+            else:
+                row.append('')
+            row = row + [o.label, o.quantity, o.quantity * o.unit_price,
+                         o.get_payment_method_display()]
             if o.product:
                 row.append(o.product.selling_price)
                 row.append(o.product.purchase_price)
                 row.append(o.product.selling_price - o.product.purchase_price)
-            else: row = row + ['', '', '']
+            else:
+                row = row + ['', '', '']
             writer.writerow(row)
 
         return response
 
+
 class ClubEditView(ClubTabsMixin, CanEditMixin, UpdateView):
     """
     Edit a Club's main informations (for the club's members)
@@ -283,6 +291,7 @@ class ClubEditView(ClubTabsMixin, CanEditMixin, UpdateView):
     template_name = 'core/edit.jinja'
     current_tab = "edit"
 
+
 class ClubEditPropView(ClubTabsMixin, CanEditPropMixin, UpdateView):
     """
     Edit the properties of a Club object (for the Sith admins)
@@ -293,6 +302,7 @@ class ClubEditPropView(ClubTabsMixin, CanEditPropMixin, UpdateView):
     template_name = 'core/edit.jinja'
     current_tab = "props"
 
+
 class ClubCreateView(CanEditPropMixin, CreateView):
     """
     Create a club (for the Sith admin)
@@ -302,6 +312,7 @@ class ClubCreateView(CanEditPropMixin, CreateView):
     fields = ['name', 'unix_name', 'parent']
     template_name = 'core/edit.jinja'
 
+
 class MembershipSetOldView(CanEditMixin, DetailView):
     """
     Set a membership as beeing old
@@ -319,8 +330,9 @@ class MembershipSetOldView(CanEditMixin, DetailView):
         self.object = self.get_object()
         return HttpResponseRedirect(reverse('club:club_members', args=self.args, kwargs={'club_id': self.object.club.id}))
 
+
 class ClubStatView(TemplateView):
-    template_name="club/stats.jinja"
+    template_name = "club/stats.jinja"
 
     def get_context_data(self, **kwargs):
         kwargs = super(ClubStatView, self).get_context_data(**kwargs)