diff --git a/tildes/consumers/topic_metadata_generator.py b/tildes/consumers/topic_metadata_generator.py
index 98220f2..7ea4842 100644
--- a/tildes/consumers/topic_metadata_generator.py
+++ b/tildes/consumers/topic_metadata_generator.py
@@ -2,6 +2,7 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 """Consumer that generates content_metadata for topics."""
+
 from collections.abc import Sequence
 from typing import Any
 from ipaddress import ip_address