diff --git a/flaschengeist/models/user.py b/flaschengeist/models/user.py
index ae55369..51aefaf 100644
--- a/flaschengeist/models/user.py
+++ b/flaschengeist/models/user.py
@@ -27,9 +27,7 @@ class Role(db.Model, ModelSerializeMixin):
     __tablename__ = "role"
     id: int = db.Column(db.Integer, primary_key=True)
     name: str = db.Column(db.String(30), unique=True)
-    permissions: [Permission] = db.relationship(
-        "Permission", secondary=role_permission_association_table
-    )
+    permissions: [Permission] = db.relationship("Permission", secondary=role_permission_association_table)
 
 
 class User(db.Model, ModelSerializeMixin):
diff --git a/flaschengeist/plugins/users/__init__.py b/flaschengeist/plugins/users/__init__.py
index ef7a7d7..0dfab0c 100644
--- a/flaschengeist/plugins/users/__init__.py
+++ b/flaschengeist/plugins/users/__init__.py
@@ -87,8 +87,8 @@ def get_user(userid, current_session):
     logger.debug("Get information of user {{ {} }}".format(userid))
     user: User = userController.get_user(userid)
     serial = user.serialize()
-    if (userid == current_session._user.userid):
-        serial['permissions'] = user.get_permissions()
+    if userid == current_session._user.userid:
+        serial["permissions"] = user.get_permissions()
     return jsonify(serial)
 
 
diff --git a/flaschengeist/utils/HTTP.py b/flaschengeist/utils/HTTP.py
index e69de29..8fe57a9 100644
--- a/flaschengeist/utils/HTTP.py
+++ b/flaschengeist/utils/HTTP.py
@@ -0,0 +1,11 @@
+from http.client import NO_CONTENT, CREATED
+
+from flask import make_response, jsonify
+
+
+def no_content():
+    return make_response(jsonify(""), NO_CONTENT)
+
+
+def created(obj=None):
+    return make_response(jsonify(obj if obj is not None else ""), CREATED)