TypeError: expected str, bytes or os.PathLike object, not NoneType

[gabrierr]

Please help how to fix this

021-12-08T16:13:34.086421+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/concurrent/futures/thread.py", line 58, in run
2021-12-08T16:13:34.086421+00:00 app[worker.1]: result = self.fn(*self.args, **self.kwargs)
2021-12-08T16:13:34.086424+00:00 app[worker.1]: File "/app/bot/plugins/download.py", line 67, in _telegram_file
2021-12-08T16:13:34.086425+00:00 app[worker.1]: sent_message.edit(Messages.DOWNLOADED_SUCCESSFULLY.format(os.path.basename(file_path), humanbytes(os.path.getsize(file_path))))
2021-12-08T16:13:34.086425+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/posixpath.py", line 142, in basename
2021-12-08T16:13:34.086426+00:00 app[worker.1]: p = os.fspath(p)
2021-12-08T16:13:34.086426+00:00 app[worker.1]: TypeError: expected str, bytes or os.PathLike object, not NoneType