[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

manim/scene/scene_file_writer.py

@@ -792,8 +792,12 @@ def combine_to_movie(self) -> None:
                 output_container = av.open(
                     str(temp_file_path), mode="w", options=av_options
                 )
-                output_video_stream = output_container.add_stream_from_template(template=video_stream)
-                output_audio_stream = output_container.add_stream_from_template(template=audio_stream)
+                output_video_stream = output_container.add_stream_from_template(
+                    template=video_stream
+                )
+                output_audio_stream = output_container.add_stream_from_template(
+                    template=audio_stream
+                )
 
                 for packet in video_input.demux(video_stream):
                     # We need to skip the "flushing" packets that `demux` generates.