Puts topic_metadata_generate.py in original state.

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