diff --git a/freelus/urls.py b/freelus/urls.py
index 6b446959eaeb2a47a6cdf6de559b54d4e40a3fe8..d7de51eb525cb4f42aa031978cdeedee42599480 100644
--- a/freelus/urls.py
+++ b/freelus/urls.py
@@ -10,7 +10,8 @@ urlpatterns = [
     path('change_role/', views.change_role, name='change_role'),
     path('attach_examples_to_frame/', views.attach_examples_to_frame, name='attach_examples_to_frame'),
     path('attach_schema_to_argument/', views.attach_schema_to_argument, name='attach_schema_to_argument'),
-    path('delete_schema_to_argument_connection/', views.delete_schema_to_argument_connection, name='delete_schema_to_argument_connection'),
+    path('delete_schema_to_argument_connection/', views.delete_schema_to_argument_connection,
+         name='delete_schema_to_argument_connection'),
     path('finish_frame_processing/', views.finish_frame_processing, name='finish_frame_processing'),
 
 ]
diff --git a/freelus/views.py b/freelus/views.py
index fa482e2b0cbe1fd600d5ca89d39633beade44ac6..a32a18cabcd703caee0309f1d2561c4ce9d95588 100644
--- a/freelus/views.py
+++ b/freelus/views.py
@@ -4,10 +4,9 @@ from django.http import JsonResponse
 
 from common.decorators import ajax_required
 from connections.models import Entry, Status, ExampleConnection, SchemaHook, ArgumentConnection, RealisationDescription
-from examples.models import Example
 from meanings.models import LexicalUnit
-from semantics.models import Frame, FrameOpinion, Argument, ArgumentRole, SemanticRole, RoleAttribute, RoleSubAttribute, \
-    RoleType
+from semantics.models import Frame, FrameOpinion, Argument, ArgumentRole, SemanticRole, \
+    RoleAttribute, RoleSubAttribute, RoleType
 
 
 @ajax_required
@@ -17,7 +16,7 @@ def change_status(request):
         entry_id = request.POST['entry_id']
         status = request.POST['status']
 
-        entry = Entry.get(pk=entry_id)
+        entry = Entry.objects.get(pk=entry_id)
         entry.status = Status.objects.get(key=status)
         entry.save()
         return JsonResponse({})
@@ -88,7 +87,8 @@ def change_role_base(frame_argument, request):
                                                 sub_attribute_id=sub_attribute_id).first()
     if argument_role is None:
         argument_role = ArgumentRole(role=SemanticRole.objects.get(pk=role_id),
-                                     attribute=None if attribute_id is None else RoleAttribute.objects.get(pk=attribute_id),
+                                     attribute=None if attribute_id is None else RoleAttribute.objects.get(
+                                         pk=attribute_id),
                                      sub_attribute=RoleSubAttribute.objects.get(pk=sub_attribute_id))
         argument_role.save()
 
@@ -133,13 +133,16 @@ def attach_schema_to_argument(request):
         schema_hooks = SchemaHook.objects.filter(schema_id=schema_id, position_id=schema_position_id)
         if len(schema_hooks) > 0:
             schema_hook = schema_hooks[0]
-            argument_connection, xxx = ArgumentConnection.objects.get_or_create(argument=argument, defaults={'argument': argument})
+            argument_connection, xxx = ArgumentConnection.objects.get_or_create(argument=argument,
+                                                                                defaults={'argument': argument})
             argument_connection.save()
             argument_connection.schema_connections.add(schema_hook)
             argument_connection.save()
 
-            realisation_description = RealisationDescription.objects.get_or_create(frame_id=frame_id, schema_id=schema_id,
-                                                                                  defaults={'alternation': 1, 'description': ''})
+            RealisationDescription.objects.get_or_create(frame_id=frame_id,
+                                                         schema_id=schema_id,
+                                                         defaults={'alternation': 1,
+                                                                   'description': ''})
 
     return JsonResponse({})
 
@@ -148,7 +151,6 @@ def attach_schema_to_argument(request):
 @transaction.atomic
 def delete_schema_to_argument_connection(request):
     if request.method == 'POST':
-        frame_id = request.POST['frame_id']
         argument_id = request.POST['argument_id']
         schema_id = request.POST['schema_id']
         schema_position_id = request.POST['schema_position_id']
@@ -175,4 +177,3 @@ def finish_frame_processing(request):
         frame.save()
 
     return JsonResponse({})
-