ERROR: Signature extraction failed: Traceback (most recent call last):


 "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1210, in _decrypt_signature

video_id, player_url, s


 "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1121, in _extract_signature_function

res = self._parse_sig_js(code)


 "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1182, in _parse_sig_js

jscode, 'Initial JS player signature function name', group='sig')


 "/usr/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 972, in _search_regex

raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; 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.

Traceback (most recent call last):


 "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner

self.run()


 "/usr/lib/python2.7/threading.py", line 763, in run

self.__target(*self.__args, **self.__kwargs)


 "/data/shot-annotate/annotation/main.py", line 48, in main

align_data_mtcnn.align_frames(extracted_frame_dir, aligned_faces_dir)


 "/data/shot-annotate/annotation/align/align_data_mtcnn.py", line 99, in align_frames

bounding_boxes, _ = detect_face.detect_face(img, minsize, pnet, rnet, onet, threshold, factor)


 "/data/shot-annotate/annotation/align/detect_face.py", line 319, in detect_face

tmp = np.zeros((int(tmph[k]), int(tmpw[k]), 3))
ValueError: negative dimensions are not allowed
