Fix code quality issues

AKModel/admin.py

@@ -3,7 +3,7 @@ from django.apps import apps
 from django.contrib import admin, messages
 from django.contrib.admin import SimpleListFilter, RelatedFieldListFilter, action, display
 from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
-from django.contrib.auth.models import User
+from django.contrib.auth.models import User # pylint: disable=E5142
 from django.db.models import Count, F
 from django.http import HttpResponseRedirect
 from django.shortcuts import render, redirect
@@ -574,20 +574,37 @@ class DefaultSlotAdmin(EventTimezoneFormMixin, admin.ModelAdmin):
 
 # Define a new User admin
 class UserAdmin(BaseUserAdmin):
+    """
+    Admin interface for Users
+    Enhances the built-in UserAdmin with additional actions to activate and deactivate users and a custom selection
+    of displayed properties in overview list
+    """
     list_display = ["username", "email", "is_active", "is_staff", "is_superuser"]
     actions = ['activate', 'deactivate']
 
     @admin.action(description=_("Activate selected users"))
     def activate(self, request, queryset):
+        """
+        Bulk activate users
+
+        :param request: HTTP request
+        :param queryset: queryset containing all users that should be activated
+        """
         queryset.update(is_active=True)
         self.message_user(request, _("The selected users have been activated."))
 
     @admin.action(description=_("Deactivate selected users"))
     def deactivate(self, request, queryset):
+        """
+        Bulk deactivate users
+
+        :param request: HTTP request
+        :param queryset: queryset containing all users that should be deactivated
+        """
         queryset.update(is_active=False)
         self.message_user(request, _("The selected users have been deactivated."))
 
 
 # Re-register UserAdmin
 admin.site.unregister(User)
-admin.site.register(User, UserAdmin)
\ No newline at end of file
+admin.site.register(User, UserAdmin)

AKScheduling/views.py

@@ -41,7 +41,9 @@ class SchedulingAdminView(AdminViewMixin, FilterByEventSlugMixin, ListView):
     context_object_name = "slots_unscheduled"
 
     def get_queryset(self):
-        return super().get_queryset().filter(start__isnull=True).select_related('event', 'ak', 'ak__track', 'ak__category').prefetch_related('ak__types', 'ak__owners', 'ak__conflicts', 'ak__prerequisites', 'ak__requirements').order_by('ak__track', 'ak')
+        return super().get_queryset().filter(start__isnull=True).select_related('event', 'ak', 'ak__track',
+            'ak__category').prefetch_related('ak__types', 'ak__owners', 'ak__conflicts', 'ak__prerequisites',
+            'ak__requirements').order_by('ak__track', 'ak')
 
     def get_context_data(self, *, object_list=None, **kwargs):
         context = super().get_context_data(object_list=object_list, **kwargs)