1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/_scripts/generate_log_config.py b/synapse/_scripts/generate_log_config.py
index 82fc763140..7ae08ec0e3 100755
--- a/synapse/_scripts/generate_log_config.py
+++ b/synapse/_scripts/generate_log_config.py
@@ -20,7 +20,7 @@ import sys
 from synapse.config.logger import DEFAULT_LOG_CONFIG
 
 
-def main():
+def main() -> None:
     parser = argparse.ArgumentParser()
 
     parser.add_argument(