Use consistent flake8 settings everywhere and fix flake8 issues

src/tests/base/test_locking.py

@@ -3,7 +3,7 @@ import time
 import pytest
 from django.utils.timezone import now
 
-from pretix.base.models import Event, EventLock, Organizer
+from pretix.base.models import Event, Organizer
 from pretix.base.services import locking
 from pretix.base.services.locking import (
     LockReleaseException, LockTimeoutException,

src/tests/control/test_auth.py

@@ -286,7 +286,7 @@ class PasswordRecoveryFormTest(TestCase):
     def test_unknown(self):
         response = self.client.post('/control/forgot', {
             'email': 'dummy@dummy.dummy',
-            })
+        })
         self.assertEqual(response.status_code, 200)
 
     def test_email_sent(self):
@@ -294,7 +294,7 @@ class PasswordRecoveryFormTest(TestCase):
 
         response = self.client.post('/control/forgot', {
             'email': 'demo@demo.dummy',
-            })
+        })
         self.assertEqual(response.status_code, 302)
 
         assert len(djmail.outbox) == 1

src/tests/control/test_events.py

@@ -6,7 +6,6 @@ from tests.base import SoupTest, extract_form_fields
 from pretix.base.models import (
     Event, EventPermission, Organizer, OrganizerPermission, User,
 )
-from pretix.presale.style import regenerate_css
 from pretix.testutils.mock import mocker_context
 
 

src/tests/control/test_items.py

@@ -6,7 +6,7 @@ from tests.base import SoupTest, extract_form_fields
 
 from pretix.base.models import (
     Event, EventPermission, Item, ItemCategory, ItemVariation, Order,
-    OrderPosition, Organizer, OrganizerPermission, Question, QuestionAnswer,
+    OrderPosition, Organizer, OrganizerPermission, Question,
     Quota, User,
 )
 

src/tests/presale/test_event.py

@@ -1,5 +1,4 @@
 import datetime
-import time
 from decimal import Decimal
 
 from django.core import mail

src/tests/presale/test_orders.py

@@ -386,7 +386,7 @@ class OrdersTest(TestCase):
         generate_invoice(self.order)
         response = self.client.get(
             '/%s/%s/order/%s/%s/pay/change' % (self.orga.slug, self.event.slug, self.order.code, self.order.secret),
-            )
+        )
         assert 'Test dummy' in response.rendered_content
         assert '+ 12.00' in response.rendered_content
         response = self.client.post(