diff -r 672e3c4bbd0c -r 9864fe2067cd src/notes/api/serializers/core.py
--- a/src/notes/api/serializers/core.py	Mon Jul 17 14:13:32 2017 +0200
+++ b/src/notes/api/serializers/core.py	Tue Jul 18 17:08:27 2017 +0200
@@ -88,6 +88,7 @@
     owner = serializers.SlugRelatedField(
         read_only=True, slug_field='username', default=serializers.CurrentUserDefault())
 
+
     class Meta:
         model = Session
         fields = (