FileNotFoundError after upscaling video

[maheshn22]

I'm getting the FileNotFoundError just like #14 . Please help.

Logs:

python trial.py
100.00%  elpsed: 423.51s  remaining:  0.00s
Traceback (most recent call last):
  File "C:\Users\Admin\Project\trial.py", line 8, in <module>
    pyanime4k.upscale_videos(pathlib.Path('Haikyuu1.mp4'))
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python39\lib\site-packages\pyanime4k\upscale.py", line 278, in upscale_videos
    ffmpeg_handler.migrate_audio_streams(
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python39\lib\site-packages\pyanime4k\ffmpeg_handler.py", line 31, in migrate_audio_streams     
    output.run()
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python39\lib\site-packages\ffmpeg\_run.py", line 313, in run
    process = run_async(
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python39\lib\site-packages\ffmpeg\_run.py", line 284, in run_async
    return subprocess.Popen(
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python39\lib\subprocess.py", line 951, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python39\lib\subprocess.py", line 1420, in _execute_child
    hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
FileNotFoundError: [WinError 2] The system cannot find the file specified