chore: linting

backend/api/permissions/course_permissions.py

@@ -29,11 +29,12 @@ def has_object_permission(self, request: Request, view: ViewSet, course: Course)
             return request.user.is_authenticated
 
         # We only allow teachers and assistants to modify specified courses.
-        role: Teacher|Assistant = user.teacher or user.assistant
+        role: Teacher | Assistant = user.teacher or user.assistant
 
         return role is not None and \
             role.courses.filter(id=course.id).exists()
 
+
 class CourseTeacherPermission(CoursePermission):
     """Permission class for teacher-only course endpoints."""
     def has_object_permission(self, request: Request, view: ViewSet, course: Course) -> bool:
@@ -44,4 +45,4 @@ def has_object_permission(self, request: Request, view: ViewSet, course: Course)
             return request.user.is_authenticated
 
         return user.teacher.exists() and \
-            user.teacher.courses.filter(id=course.id).exists()
+            user.teacher.courses.filter(id=course.id).exists()

backend/api/permissions/role_permissions.py

@@ -3,23 +3,26 @@
 from api.models.assistant import Assistant
 from api.models.teacher import Teacher
 
+
 class IsStudent(IsAuthenticated):
     def has_permission(self, request, view):
         """Returns true if the request contains a user,
         with said user being a student"""
         return super().has_permission(request, view) and \
             Student.objects.filter(id=request.user.id).exists()
 
+
 class IsTeacher(IsAuthenticated):
     def has_permission(self, request, view):
         """Returns true if the request contains a user,
         with said user being a student"""
         return super().has_permission(request, view) and \
             Teacher.objects.filter(id=request.user.id).exists()
 
+
 class IsAssistant(IsAuthenticated):
     def has_permission(self, request, view):
         """Returns true if the request contains a user,
         with said user being a student"""
         return super().has_permission(request, view) and \
-            Assistant.objects.filter(id=request.user.id).exists()
+            Assistant.objects.filter(id=request.user.id).exists()

backend/api/views/course_view.py

@@ -76,7 +76,6 @@ def assistants(self, request: Request, **_) -> Response:
             # Not found
             raise NotFound(gettext("assistants.error.404"))
 
-
     @action(detail=True, methods=["get"])
     def students(self, request, **_):
         """Returns a list of students for the given course"""
@@ -113,4 +112,4 @@ def join(self, request, **_):
 
         return Response({
             "message": gettext("courses.success.join")
-        })
+        })