410 Client Error: Gone for url

It appears one of the Twitch APIs have moved.

[twitch-curses] Initializing
[twitch-curses] stylishnoob4 - [DTN] ポケモン160匹くらい言えます ( 8410 viewers )
[twitch-curses] Chat url: http://www.twitch.tv/stylishnoob4/chat
[twitch-curses] Launching streamlink
Failed to load plugin vaughnlive:
  File "/usr/local/lib/python2.7/dist-packages/streamlink/plugins/vaughnlive.py", line 19, in <module>
    class VLWebSocket(websocket.WebSocket):
  File "/usr/local/lib/python2.7/dist-packages/streamlink/plugins/vaughnlive.py", line 27, in VLWebSocket
    def send(self, payload, opcode=websocket.ABNF.OPCODE_TEXT):
AttributeError: 'module' object has no attribute 'ABNF'

[cli][info] Found matching plugin twitch for URL https://www.twitch.tv/stylishnoob4
error: Unable to open URL: https://api.twitch.tv/api/channels/stylishnoob4/access_token.json (410 Client Error: Gone for url: https://api.twitch.tv/api/channels/stylishnoob4/access_token.json?as3=t)

[twitch-curses] Streamlink returned an error. This usually means that the selected stream quality is not available. If that is the case, then you can now choose one of the available streams printed above (defaults to 'best' if left empty). Or you can type 'A' to abort.
[twitch-curses] Exiting^C