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


 "/usr/lib/python3/dist-packages/youtube_dl/extractor/youtube.py", line 1232, in _decrypt_signature

video_id, player_url, s


 "/usr/lib/python3/dist-packages/youtube_dl/extractor/youtube.py", line 1140, in _extract_signature_function

res = self._parse_sig_js(code)


 "/usr/lib/python3/dist-packages/youtube_dl/extractor/youtube.py", line 1204, in _parse_sig_js

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


 "/usr/lib/python3/dist-packages/youtube_dl/extractor/common.py", line 983, 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):

 "C:/Users/usera/PycharmProjects/Diplomatiki/create.py", line 72, in <module>
validation_data=[X_test, y_test])

 "C:\Users\usera\Anaconda2\lib\site-packages\keras\models.py", line 620, in fit
sample_weight=sample_weight)

 "C:\Users\usera\Anaconda2\lib\site-packages\keras\engine\training.py", line 1104, in fit
callback_metrics=callback_metrics)

 "C:\Users\usera\Anaconda2\lib\site-packages\keras\engine\training.py", line 822, in _fit_loop
outs = f(ins_batch)

 "C:\Users\usera\Anaconda2\lib\site-packages\keras\backend\theano_backend.py", line 672, in __call__
return self.function(*inputs)

 "C:\Users\usera\Anaconda2\lib\site-packages\theano\compile\function_module.py", line 871, in **call**
storage_map=getattr(self.fn, 'storage_map', None))

 "C:\Users\usera\Anaconda2\lib\site-packages\theano\gof\link.py", line 314, in raise_with_op
reraise(exc_type, exc_value, exc_trace)

 "C:\Users\usera\Anaconda2\lib\site-packages\theano\compile\function_module.py", line 859, in **call**
outputs = self.fn()ValueError: Input dimension mis-match. (input[2].shape[0] = 64, input[3].shape[0] = 1003)