in gym3/video_recorder.py [0:0]
def _restart_recording(self) -> None:
if self._writer is not None:
self._writer.close()
self.videopath = os.path.join(
self._directory, f"{self._prefix}{self._episode_count:05d}.mp4"
)
self._writer = imageio.get_writer(
self.videopath, format="ffmpeg", fps=self._fps, **self._writer_kwargs
)