diff --git a/example/python/run.py b/example/python/run.py
index bfde292b5..7cacf86bd 100644
--- a/example/python/run.py
+++ b/example/python/run.py
@@ -58,7 +58,9 @@ def main() -> None:
         pcm = b""
         for i in range(0, intermediate.frame_length, chunk_frames):
             logger.info("%s", f"{i/intermediate.frame_length:.2%}")
-            pcm += synthesizer.render(intermediate, i, min(i + chunk_frames, intermediate.frame_length))
+            pcm += synthesizer.render(
+                intermediate, i, min(i + chunk_frames, intermediate.frame_length)
+            )
         logger.info("%s", f"100%")
         wav = wav_from_s16le(
             pcm, audio_query.output_sampling_rate, audio_query.output_stereo