diff --git a/invenio_config_tugraz/generators.py b/invenio_config_tugraz/generators.py
index 5024253..a64b6fd 100644
--- a/invenio_config_tugraz/generators.py
+++ b/invenio_config_tugraz/generators.py
@@ -209,8 +209,6 @@ def check_permission(self):
         # Get user IP
         user_ip = request.remote_addr  # pragma: no cover
         # Checks if the user IP is among single IPs
-        if (
-            user_ip in current_app.config["INVENIO_CONFIG_TUGRAZ_SINGLE_IP"]
-        ):  # pragma: no cover
+        if user_ip in current_app.config["INVENIO_CONFIG_TUGRAZ_SINGLE_IP"]:  # pragma: no cover
             return True  # pragma: no cover
         return False  # pragma: no cover