diff --git a/user_management/models/mixins.py b/user_management/models/mixins.py
index 295c7cd..5f4c349 100644
--- a/user_management/models/mixins.py
+++ b/user_management/models/mixins.py
@@ -93,13 +93,8 @@ class Meta:
         ordering = ['name']
 
 
-class BasicUserFieldsMixin(
-        DateJoinedUserMixin,
-        EmailUserMixin,
-        IsStaffUserMixin,
-        NameUserMixin,
-        ):
-
+class BasicUserFieldsMixin(DateJoinedUserMixin, EmailUserMixin, IsStaffUserMixin,
+        NameUserMixin):
     class Meta:
         abstract = True
 
diff --git a/user_management/models/tests/models.py b/user_management/models/tests/models.py
index 1a57dfc..d2aab35 100644
--- a/user_management/models/tests/models.py
+++ b/user_management/models/tests/models.py
@@ -26,12 +26,8 @@ class VerifyEmailUser(VerifyEmailMixin):
     pass
 
 
-class CustomBasicUserFieldsMixin(
-        NameUserMethodsMixin,
-        EmailUserMixin,
-        DateJoinedUserMixin,
-        IsStaffUserMixin,
-        ):
+class CustomBasicUserFieldsMixin(NameUserMethodsMixin, EmailUserMixin,
+        DateJoinedUserMixin, IsStaffUserMixin):
     name = models.TextField()
 
     USERNAME_FIELD = 'email'
@@ -40,10 +36,6 @@ class Meta:
         abstract = True
 
 
-class CustomNameUser(
-        AvatarMixin,
-        EmailVerifyUserMixin,
-        CustomBasicUserFieldsMixin,
-        AbstractBaseUser,
-        ):
+class CustomNameUser(AvatarMixin, EmailVerifyUserMixin, CustomBasicUserFieldsMixin,
+        AbstractBaseUser):
     pass