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


 "/usr/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 1005, in _decrypt_signature

video_id, player_url, s


 "/usr/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 932, in _extract_signature_function

cache_res = res(test_string)


 "/usr/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 984, in <lambda>

return lambda s: initial_function([s])


 "/usr/lib/python3.5/site-packages/youtube_dl/jsinterp.py", line 254, in resf

res, abort = self.interpret_statement(stmt, local_vars)


 "/usr/lib/python3.5/site-packages/youtube_dl/jsinterp.py", line 55, in interpret_statement

v = self.interpret_expression(expr, local_vars, allow_recursion)


 "/usr/lib/python3.5/site-packages/youtube_dl/jsinterp.py", line 174, in interpret_expression

return obj[member](argvals)
KeyError: 'qC'

Traceback (most recent call last):

 "/home/utente1/zeus-scanner/var/search/selenium_search.py", line 268, in parse_search_results
tor=tor, batch=batch, xforward=forward_for

 "/home/utente1/zeus-scanner/var/search/selenium_search.py", line 80, in get_urls
ff_display = Display(visible=0, size=(800, 600))

 "/usr/local/lib/python2.7/dist-packages/pyvirtualdisplay/display.py", line 34, in __init__
self._obj = self.display_class(

 "/usr/local/lib/python2.7/dist-packages/pyvirtualdisplay/display.py", line 52, in display_class
cls.check_installed()

 "/usr/local/lib/python2.7/dist-packages/pyvirtualdisplay/xvfb.py", line 38, in check_installed
ubuntu_package=PACKAGE).check_installed()TypeError: __init__() got an unexpected keyword argument 'url'