chore: linting

backend/api/permissions/course_permissions.py

@@ -8,6 +8,7 @@
 
 class CoursePermission(BasePermission):
     """Permission class used as default policy for course endpoints."""
+
     def has_permission(self, request: Request, view: ViewSet) -> bool:
         """Check if user has permission to view a general course endpoint."""
         user: User = request.user
@@ -34,6 +35,7 @@ def has_object_permission(self, request: Request, view: ViewSet, course: Course)
 
 class CourseAssistantPermission(CoursePermission):
     """Permission class for assistant related endpoints."""
+
     def has_object_permission(self, request: Request, view: ViewSet, course: Course) -> bool:
         user: User = request.user
 
@@ -47,6 +49,7 @@ def has_object_permission(self, request: Request, view: ViewSet, course: Course)
 
 class CourseStudentPermission(CoursePermission):
     """Permission class for student related endpoints."""
+
     def has_object_permission(self, request: Request, view: ViewSet, course: Course):
         user: User = request.user
 
@@ -64,6 +67,7 @@ def has_object_permission(self, request: Request, view: ViewSet, course: Course)
 
 class CourseProjectPermission(CoursePermission):
     """Permission class for project related endpoints."""
+
     def has_object_permission(self, request: Request, view: ViewSet, course: Course):
         user: User = request.user
 

backend/api/permissions/role_permissions.py

@@ -9,12 +9,15 @@
 def is_student(user: User):
     return Student.objects.filter(id=user.id).exists()
 
+
 def is_assistant(user: User):
     return Assistant.objects.filter(id=user.id).exists()
 
+
 def is_teacher(user: User):
     return Teacher.objects.filter(id=user.id).exists()
 
+
 class IsStudent(IsAuthenticated):
     def has_permission(self, request: Request, view):
         """Returns true if the request contains a user,

backend/api/views/course_view.py

@@ -77,7 +77,6 @@ def _remove_assistant(self, request: Request, **_):
             # Not found
             raise NotFound(gettext("assistants.error.404"))
 
-
     @action(detail=True, methods=["get"], permission_classes=[IsAdminUser | CourseStudentPermission])
     def students(self, request, **_):
         """Returns a list of students for the given course"""