diff --git a/.flake8 b/.flake8
index d3837af..c74ed57 100644
--- a/.flake8
+++ b/.flake8
@@ -1,5 +1,5 @@
 [flake8]
-ignore = E203, E266, E501, W503, F403, F401, F841
+ignore = W503
 max-line-length = 89
 max-complexity = 10
 select = B,C,E,F,W,T4,B9
diff --git a/admin_interface/migrations/0011_add_environment_options.py b/admin_interface/migrations/0011_add_environment_options.py
index 70f3472..ab06b9e 100644
--- a/admin_interface/migrations/0011_add_environment_options.py
+++ b/admin_interface/migrations/0011_add_environment_options.py
@@ -25,7 +25,7 @@ class Migration(migrations.Migration):
             field=colorfield.fields.ColorField(
                 blank=True,
                 default="#E74C3C",
-                help_text="(red: #E74C3C, orange: #E67E22, yellow: #F1C40F, green: #2ECC71, blue: #3498DB)",
+                help_text="(red: #E74C3C, orange: #E67E22, yellow: #F1C40F, green: #2ECC71, blue: #3498DB)",  # noqa: E501
                 max_length=10,
                 verbose_name="color",
             ),
diff --git a/admin_interface/models.py b/admin_interface/models.py
index 70d6e65..c119bb8 100644
--- a/admin_interface/models.py
+++ b/admin_interface/models.py
@@ -107,12 +107,16 @@ class Theme(models.Model):
         verbose_name=_("favicon"),
     )
 
-    env_name = models.CharField(blank=True, max_length=50, verbose_name=_("name"))
+    env_name = models.CharField(
+        blank=True,
+        max_length=50,
+        verbose_name=_("name"),
+    )
     env_color = ColorField(
         blank=True,
         default="#E74C3C",
         help_text=_(
-            "(red: #E74C3C, orange: #E67E22, yellow: #F1C40F, green: #2ECC71, blue: #3498DB)"
+            "(red: #E74C3C, orange: #E67E22, yellow: #F1C40F, green: #2ECC71, blue: #3498DB)"  # noqa: E501
         ),
         max_length=10,
         verbose_name=_("color"),
@@ -223,7 +227,8 @@ class Theme(models.Model):
         verbose_name=_("link hover color"),
     )
     css_module_rounded_corners = models.BooleanField(
-        default=True, verbose_name=_("rounded corners")
+        default=True,
+        verbose_name=_("rounded corners"),
     )
 
     css_generic_link_color = ColorField(
@@ -285,7 +290,10 @@ class Theme(models.Model):
         verbose_name=_("text color"),
     )
 
-    related_modal_active = models.BooleanField(default=True, verbose_name=_("active"))
+    related_modal_active = models.BooleanField(
+        default=True,
+        verbose_name=_("active"),
+    )
     related_modal_background_color = ColorField(
         blank=True,
         default="#000000",
diff --git a/tests/test_models.py b/tests/test_models.py
index 49ff785..bcffdba 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -1,9 +1,8 @@
 import random
 import shutil
-from unittest import expectedFailure
 
 from django.conf import settings
-from django.test import TestCase, TransactionTestCase
+from django.test import TestCase
 
 from admin_interface.models import Theme
 
@@ -45,25 +44,25 @@ class AdminInterfaceModelsTestCase(TestCase):
 
     def test_default_theme_activated_after_update_if_multiple_active_themes(self):
         Theme.objects.all().delete()
-        theme_1 = Theme.objects.create(name="Custom 1", active=True)
-        theme_2 = Theme.objects.create(name="Custom 2", active=True)
-        theme_3 = Theme.objects.create(name="Custom 3", active=True)
+        Theme.objects.create(name="Custom 1", active=True)
+        Theme.objects.create(name="Custom 2", active=True)
+        Theme.objects.create(name="Custom 3", active=True)
         Theme.objects.update(active=False)
         Theme.objects.update(active=True)
         self.__test_active_theme()
 
     def test_default_theme_activated_on_active_theme_deleted(self):
         Theme.objects.all().delete()
-        theme_1 = Theme.objects.create(name="Custom 1", active=True)
-        theme_2 = Theme.objects.create(name="Custom 2", active=True)
-        theme_3 = Theme.objects.create(name="Custom 3", active=True)
+        Theme.objects.create(name="Custom 1", active=True)
+        Theme.objects.create(name="Custom 2", active=True)
+        Theme.objects.create(name="Custom 3", active=True)
         Theme.objects.filter(pk=Theme.objects.get_active().pk).delete()
         self.__test_active_theme()
 
     def test_last_theme_activated_on_multiple_themes_created(self):
         Theme.objects.all().delete()
-        theme_1 = Theme.objects.create(name="Custom 1", active=True)
-        theme_2 = Theme.objects.create(name="Custom 2", active=True)
+        Theme.objects.create(name="Custom 1", active=True)
+        Theme.objects.create(name="Custom 2", active=True)
         theme_3 = Theme.objects.create(name="Custom 3", active=True)
         self.assertEqual(Theme.objects.get_active().pk, theme_3.pk)
         self.__test_active_theme()
diff --git a/tests/test_multidb.py b/tests/test_multidb.py
index 4b49489..018bcce 100644
--- a/tests/test_multidb.py
+++ b/tests/test_multidb.py
@@ -1,5 +1,3 @@
-from unittest import skipIf
-
 from django.test import TestCase
 
 from admin_interface.models import Theme