diff --git a/.vscode/settings.json b/.vscode/settings.json
index b666ff7a..eeb1c625 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -38,6 +38,10 @@
     {
       "name": "django",
       "depth": 5
+    },
+    {
+      "name": "djangorestframework",
+      "depth": 2
     }
   ],
   "colorize.include": [".tsx", ".jsx", ".ts", ".js"],
diff --git a/rsconcept/backend/apps/rsform/graph.py b/rsconcept/backend/apps/rsform/graph.py
index 4177840d..b6a749ad 100644
--- a/rsconcept/backend/apps/rsform/graph.py
+++ b/rsconcept/backend/apps/rsform/graph.py
@@ -91,7 +91,7 @@ class Graph(Generic[ItemType]):
             if len(self.inputs[node_id]) == 0:
                 continue
             for parent in self.inputs[node_id]:
-                result[parent] = result[parent] + [id for id in result[node_id] if not id in result[parent]]
+                result[parent] = result[parent] + [id for id in result[node_id] if id not in result[parent]]
         return result
 
     def topological_order(self) -> list[ItemType]:
diff --git a/rsconcept/backend/apps/rsform/models/Editor.py b/rsconcept/backend/apps/rsform/models/Editor.py
index 2f9ce6a0..d43ae17c 100644
--- a/rsconcept/backend/apps/rsform/models/Editor.py
+++ b/rsconcept/backend/apps/rsform/models/Editor.py
@@ -60,12 +60,12 @@ class Editor(Model):
         ''' Set editors for item. '''
         processed: list[User] = []
         for editor_item in Editor.objects.filter(item=item):
-            if not editor_item.editor in users:
+            if editor_item.editor not in users:
                 editor_item.delete()
             else:
                 processed.append(editor_item.editor)
 
         for user in users:
-            if not user in processed:
+            if user not in processed:
                 processed.append(user)
                 Editor.objects.create(item=item, editor=user)
diff --git a/rsconcept/frontend/src/app/Navigation/Navigation.tsx b/rsconcept/frontend/src/app/Navigation/Navigation.tsx
index 207dccae..447efeb2 100644
--- a/rsconcept/frontend/src/app/Navigation/Navigation.tsx
+++ b/rsconcept/frontend/src/app/Navigation/Navigation.tsx
@@ -48,19 +48,9 @@ function Navigation() {
           <Logo />
         </div>
         <div className='flex gap-1 py-[0.3rem]'>
-          <NavigationButton
-            text='Новая схема'
-            title='Создать новую схему'
-            icon={<IconNewItem2 size='1.5rem' />}
-            onClick={navigateCreateNew}
-          />
-          <NavigationButton
-            text='Библиотека'
-            title='Список схем'
-            icon={<IconLibrary2 size='1.5rem' />}
-            onClick={navigateLibrary}
-          />
-          <NavigationButton text='Справка' title='Справочные материалы' icon={<IconManuals />} onClick={navigateHelp} />
+          <NavigationButton text='Новая схема' icon={<IconNewItem2 size='1.5rem' />} onClick={navigateCreateNew} />
+          <NavigationButton text='Библиотека' icon={<IconLibrary2 size='1.5rem' />} onClick={navigateLibrary} />
+          <NavigationButton text='Справка' icon={<IconManuals size='1.5rem' />} onClick={navigateHelp} />
           <UserMenu />
         </div>
       </motion.div>