diff --git a/server/books/models/module.py b/server/books/models/module.py
index f11849b5..9b43a953 100644
--- a/server/books/models/module.py
+++ b/server/books/models/module.py
@@ -1,16 +1,16 @@
-from django import forms
+from core.constants import DEFAULT_RICH_TEXT_FEATURES
+from core.wagtail_utils import StrictHierarchyPage, get_default_settings
 from django.db import models
 from django.utils import timezone
 from django.utils.translation import gettext as _
-from wagtail.admin.forms import WagtailAdminPageForm
-from wagtail.admin.panels import FieldPanel, TabbedInterface, ObjectList, TitleFieldPanel
-from wagtail.fields import RichTextField
-
-from django.conf import settings
-from core.constants import DEFAULT_RICH_TEXT_FEATURES
-from core.wagtail_utils import StrictHierarchyPage, get_default_settings
 from users.models import SchoolClass
-from django.utils.text import slugify
+from wagtail.admin.panels import (
+    FieldPanel,
+    ObjectList,
+    TabbedInterface,
+    TitleFieldPanel,
+)
+from wagtail.fields import RichTextField
 
 EXACT = "exact"
 
@@ -52,6 +52,7 @@ class ModuleCategory(models.Model):
     def __str__(self):
         return f"{self.name}"
 
+
 # Commented out since that check is not necessary if a slug is chosen that is already in use
 # a new one will be generated
 # TODO: remove after pullrequest is merged
@@ -111,7 +112,7 @@ class Module(StrictHierarchyPage):
         FieldPanel("intro"),
     ]
     # TODO remove after pullrequest is merged
-    #base_form_class = ModulePageForm
+    # base_form_class = ModulePageForm
 
     edit_handler = TabbedInterface(
         [ObjectList(content_panels, heading="Content"), get_default_settings()]
@@ -221,11 +222,11 @@ class Module(StrictHierarchyPage):
         super().full_clean(*args, **kwargs)
 
         # Always create a slug if it is not available
+        # todo: do we really want to do this? this will silently change a slug if the users sets one that already exists, which probably isn't what they expect
         if not self._slug_is_available(self.slug, self.get_parent(), self):
             self.slug = self._get_autogenerated_slug(self.slug)
 
 
-
 class RecentModule(models.Model):
     module = models.ForeignKey(
         Module, on_delete=models.CASCADE, related_name="recent_modules"