diff --git a/apps/api/serializers.py b/apps/api/serializers.py
index 9417f25f..c5e6f2b3 100644
--- a/apps/api/serializers.py
+++ b/apps/api/serializers.py
@@ -6,7 +6,6 @@ from django.contrib.contenttypes.models import ContentType
 from django.contrib.auth.models import User
 from django.utils import timezone
 from rest_framework import serializers
-
 from member.api.serializers import ProfileSerializer, MembershipSerializer
 from note.api.serializers import NoteSerializer
 from note.models import Alias
diff --git a/apps/member/auth.py b/apps/member/auth.py
index 0f9e42e8..888adea1 100644
--- a/apps/member/auth.py
+++ b/apps/member/auth.py
@@ -1,5 +1,7 @@
-from cas_server.auth import DjangoAuthUser  # pragma: no cover
+# Copyright (C) 2018-2021 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 
+from cas_server.auth import DjangoAuthUser  # pragma: no cover
 from note.models import Alias