diff --git a/server/vbv_lernwelt/learning_mentor/content/praxis_assignment.py b/server/vbv_lernwelt/learning_mentor/content/praxis_assignment.py
index b6c07490..a43f78e0 100644
--- a/server/vbv_lernwelt/learning_mentor/content/praxis_assignment.py
+++ b/server/vbv_lernwelt/learning_mentor/content/praxis_assignment.py
@@ -2,18 +2,18 @@ from typing import List, Set, Tuple
 
 from vbv_lernwelt.assignment.models import (
     Assignment,
+    AssignmentCompletion,
     AssignmentCompletionStatus,
     AssignmentType,
-    AssignmentCompletion,
 )
 from vbv_lernwelt.core.models import User
 from vbv_lernwelt.course.models import CourseSession
 from vbv_lernwelt.course_session.models import CourseSessionAssignment
 from vbv_lernwelt.learning_mentor.entities import (
-    MentorCompletionStatus,
     MentorAssignmentCompletion,
     MentorAssignmentStatus,
     MentorAssignmentStatusType,
+    MentorCompletionStatus,
 )
 
 
diff --git a/server/vbv_lernwelt/learning_mentor/content/self_evaluation_feedback.py b/server/vbv_lernwelt/learning_mentor/content/self_evaluation_feedback.py
index e2eb2409..36785f22 100644
--- a/server/vbv_lernwelt/learning_mentor/content/self_evaluation_feedback.py
+++ b/server/vbv_lernwelt/learning_mentor/content/self_evaluation_feedback.py
@@ -4,10 +4,10 @@ from django.db.models import Prefetch
 
 from vbv_lernwelt.core.models import User
 from vbv_lernwelt.learning_mentor.entities import (
-    MentorCompletionStatus,
-    MentorAssignmentStatus,
     MentorAssignmentCompletion,
+    MentorAssignmentStatus,
     MentorAssignmentStatusType,
+    MentorCompletionStatus,
 )
 from vbv_lernwelt.self_evaluation_feedback.models import SelfEvaluationFeedback
 
diff --git a/server/vbv_lernwelt/learning_mentor/tests/test_mentor.py b/server/vbv_lernwelt/learning_mentor/tests/test_mentor.py
index f9960017..91e2b8d9 100644
--- a/server/vbv_lernwelt/learning_mentor/tests/test_mentor.py
+++ b/server/vbv_lernwelt/learning_mentor/tests/test_mentor.py
@@ -1,4 +1,4 @@
-from typing import List, Optional, Dict
+from typing import Dict, List, Optional
 
 from django.urls import reverse
 from rest_framework import status
@@ -18,8 +18,8 @@ from vbv_lernwelt.course.creators.test_utils import (
     create_course,
     create_course_session,
     create_course_session_assignment,
-    create_user,
     create_learning_unit,
+    create_user,
 )
 from vbv_lernwelt.course.models import CourseSessionUser
 from vbv_lernwelt.learning_mentor.models import LearningMentor
diff --git a/server/vbv_lernwelt/learning_mentor/views.py b/server/vbv_lernwelt/learning_mentor/views.py
index a1ee9db9..a1966c8f 100644
--- a/server/vbv_lernwelt/learning_mentor/views.py
+++ b/server/vbv_lernwelt/learning_mentor/views.py
@@ -18,8 +18,8 @@ from vbv_lernwelt.learning_mentor.content.self_evaluation_feedback import (
 from vbv_lernwelt.learning_mentor.models import LearningMentor, MentorInvitation
 from vbv_lernwelt.learning_mentor.serializers import (
     InvitationSerializer,
-    MentorSerializer,
     MentorAssignmentStatusSerializer,
+    MentorSerializer,
 )
 from vbv_lernwelt.learnpath.models import Circle
 from vbv_lernwelt.notify.email.email_services import EmailTemplate, send_email