fix bug caused by indentation and add support for url pattern like 'xingxiu.panda.tv'
fix bug caused by indentation and add support for url pattern like 'xingxiu.panda.tv'

chhe/streamlink,bastimeyer/streamlink,wlerin/streamlink,gravyboat/streamlink,back-to/streamlink,melmorabity/streamlink,bastimeyer/streamlink,wlerin/streamlink,melmorabity/streamlink,gravyboat/streamlink,streamlink/streamlink,beardypig/streamlink,streamlink/streamlink,chhe/streamlink,back-to/streamlink,beardypig/streamlink