Traceback (most recent call last):


 "/opt/conda/lib/python3.6/multiprocessing/process.py", line 261, in _bootstrap

util._exit_function()


 "/opt/conda/lib/python3.6/multiprocessing/util.py", line 319, in _exit_function

p.join()


 "/opt/conda/lib/python3.6/multiprocessing/process.py", line 124, in join

res = self._popen.wait(timeout)


 "/opt/conda/lib/python3.6/multiprocessing/popen_fork.py", line 50, in wait

return self.poll(os.WNOHANG if timeout == 0.0 else 0)


 "/opt/conda/lib/python3.6/multiprocessing/popen_fork.py", line 28, in poll

pid, sts = os.waitpid(self.pid, flag)


 "/opt/conda/lib/python3.6/site-packages/torch/utils/data/_utils/signal_handling.py", line 66, in handler

_error_if_any_worker_fails()
RuntimeError: DataLoader worker (pid 9687) is killed by signal: Terminated.

Traceback (most recent call last):


 "/usr/lib/python3.7/site-packages/youtube_dl/YoutubeDL.py", line 796, in extract_info

ie_result = ie.extract(url)


 "/usr/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 530, in extract

ie_result = self._real_extract(url)


 "/usr/lib/python3.7/site-packages/youtube_dl/extractor/ceskatelevize.py", line 201, in _real_extract

self._sort_formats(e['formats'])


 "/usr/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 1327, in _sort_formats

raise ExtractorError('No video formats found')
youtube_dl.utils.ExtractorError: No video formats found; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see
https://yt-dl.org/update
on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
