diff --git a/server/myapi/factories.py b/server/myapi/factories.py
index d58969d..ff28937 100644
--- a/server/myapi/factories.py
+++ b/server/myapi/factories.py
@@ -8,10 +8,10 @@ class ModelFieldLazyChoice(factory.LazyFunction):
     def __init__(self, model_class, field, *args, **kwargs):
         choices = [choice[0] for choice in model_class._meta.get_field(field).choices]
         super(ModelFieldLazyChoice, self).__init__(
-            function=lambda: random.choice(choices),
-            *args, **kwargs
+            function=lambda: random.choice(choices), *args, **kwargs
         )
 
+
 class FilmFactory(factory.django.DjangoModelFactory):
     class Meta:
         model = Film
diff --git a/server/myapi/models.py b/server/myapi/models.py
index e1fb214..97dcf13 100644
--- a/server/myapi/models.py
+++ b/server/myapi/models.py
@@ -25,10 +25,11 @@ class Film(models.Model):
     release_year = models.SmallIntegerField(null=True, blank=True)
     trailer_link = models.URLField(null=True, blank=True)
     is_in_color = models.BooleanField(null=True, blank=True)
-    movie_format = models.CharField(max_length=20, choices=MovieFormat.choices, null=True, blank=True)
+    movie_format = models.CharField(
+        max_length=20, choices=MovieFormat.choices, null=True, blank=True
+    )
     language_subtitles = models.CharField(
-        max_length=20, choices=LanguageSubtitles.choices,
-        null=True, blank=True
+        max_length=20, choices=LanguageSubtitles.choices, null=True, blank=True
     )
     poster_link = models.URLField(null=True, blank=True)
     banner_link = models.URLField(null=True, blank=True)
diff --git a/server/myapi/serializers.py b/server/myapi/serializers.py
index 821d83b..ca1ecac 100644
--- a/server/myapi/serializers.py
+++ b/server/myapi/serializers.py
@@ -13,7 +13,6 @@ class MoreFieldsModelSerializer(serializers.ModelSerializer):
 
 
 class FilmSerializer(serializers.ModelSerializer):
-
     class Meta:
         model = Film
         fields = "__all__"  #
diff --git a/server/ulm_cine_club_api/settings/__init__.py b/server/ulm_cine_club_api/settings/__init__.py
index f75e1cb..f5d8473 100644
--- a/server/ulm_cine_club_api/settings/__init__.py
+++ b/server/ulm_cine_club_api/settings/__init__.py
@@ -1,4 +1,5 @@
 import os
+
 IS_LOCAL_DEV = bool(os.environ.get("TELESCOOP_DEV"))
 if IS_LOCAL_DEV:
     from .dev import *