raise ExtractorError('The author has restricted the access to this video, try with the "--referer" option')
if re.search(r'<form[^>]+?id="pw_form"', webpage) is not None:
raise ExtractorError('The author has restricted the access to this video, try with the "--referer" option')
if re.search(r'<form[^>]+?id="pw_form"', webpage) is not None: