diff --git a/djangocms_moderation/management/commands/moderation_fix_states.py b/djangocms_moderation/management/commands/moderation_fix_states.py
index b4bd3c0f..c6387b19 100644
--- a/djangocms_moderation/management/commands/moderation_fix_states.py
+++ b/djangocms_moderation/management/commands/moderation_fix_states.py
@@ -1,4 +1,4 @@
-from django.core.management.base import BaseCommand, CommandError
+from django.core.management.base import BaseCommand
 
 from djangocms_versioning import constants as versioning_constants
 
diff --git a/setup.cfg b/setup.cfg
index 2b15f90f..1fe92aab 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,6 +2,7 @@
 max-line-length = 120
 exclude =
     .git,
+    .env,
     __pycache__,
     **/migrations/,
     build/,
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 6c2f15df..1a89422c 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -3,7 +3,6 @@ coverage
 djangocms_helper
 django_polymorphic==2.0.3
 cachetools
-mock
 factory-boy
 django-simple-captcha
 python-dateutil>=2.4