reorganize imports with ruff

subscription/migrations/0001_initial.py

@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import migrations, models
 import django.contrib.auth.models
 import django.db.models.deletion
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):

subscription/models.py

@@ -14,17 +14,16 @@
 #
 #
 
+import math
 from datetime import date, timedelta
-from django.db import models
-from django.utils.translation import gettext_lazy as _
-from django.conf import settings
-from django.core.exceptions import ValidationError
-from django.urls import reverse
-from django.contrib.auth.forms import PasswordResetForm
 
 from dateutil.relativedelta import relativedelta
-
-import math
+from django.conf import settings
+from django.contrib.auth.forms import PasswordResetForm
+from django.core.exceptions import ValidationError
+from django.db import models
+from django.urls import reverse
+from django.utils.translation import gettext_lazy as _
 
 from core.models import User
 from core.utils import get_start_of_semester

subscription/tests.py

@@ -16,12 +16,11 @@
 from datetime import date
 from unittest import mock
 
-from django.test import TestCase
-from subscription.models import Subscription
-from core.models import User
 from django.conf import settings
-from datetime import datetime
-from django.core.management import call_command
+from django.test import TestCase
+
+from core.models import User
+from subscription.models import Subscription
 
 
 class FakeDate(date):

subscription/views.py

@@ -14,21 +14,19 @@
 #
 #
 
-from django.views.generic.edit import CreateView, FormView
-from django.utils.translation import gettext_lazy as _
-from django.core.exceptions import PermissionDenied, ValidationError
-from django.urls import reverse_lazy
-from django import forms
-from django.conf import settings
-
-from ajax_select.fields import AutoCompleteSelectField
 import random
 
-from subscription.models import Subscription
-from core.views.forms import SelectDateTime
+from ajax_select.fields import AutoCompleteSelectField
+from django import forms
+from django.conf import settings
+from django.core.exceptions import PermissionDenied, ValidationError
+from django.urls import reverse_lazy
+from django.utils.translation import gettext_lazy as _
+from django.views.generic.edit import CreateView, FormView
+
 from core.models import User
-from core.views.forms import SelectDate
-from core.views.forms import TzAwareDateTimeField
+from core.views.forms import SelectDate, TzAwareDateTimeField
+from subscription.models import Subscription
 
 
 class SelectionDateForm(forms.Form):