
Traceback (most recent call last):


 "/usr/local/bin/cmake", line 5, in <module>

from cmake import cmake

ModuleNotFoundError: No module named 'cmake'


Traceback (most recent call last):


 "/usr/local/lib/python3.7/site-packages/pafy/backend_youtube_dl.py", line 38, in _fetch_basic

self._ydl_info = ydl.extract_info(self.videoid, download=False)


 "/usr/local/lib/python3.7/site-packages/youtube_dl/YoutubeDL.py", line 815, in extract_info

self.report_error(compat_str(e), e.format_traceback())


 "/usr/local/lib/python3.7/site-packages/youtube_dl/YoutubeDL.py", line 620, in report_error

self.trouble(error_message, tb)


 "/usr/local/lib/python3.7/site-packages/youtube_dl/YoutubeDL.py", line 590, in trouble

raise DownloadError(message, exc_info)

youtube_dl.utils.DownloadError: ERROR: Signature extraction failed: Traceback (most recent call last):
