- url_node = next(node for node in [find_xpath_attr(sources, 'source', 'id', 'HQ %s' % key)
- for key in ['on', 'av', 'off']] if node is not None)
+ url_node = next(node for node in [find_xpath_attr(sources, 'source', 'id', 'HQ %s' % key)
+ for key in ['on', 'av', 'off']] if node is not None)