if re.search(r'<form[^>]+?id="pw_form"', webpage) is not None:
if '_video_password_verified' in data:
raise ExtractorError('video password verification failed!')
if re.search(r'<form[^>]+?id="pw_form"', webpage) is not None:
if '_video_password_verified' in data:
raise ExtractorError('video password verification failed!')