--- a/viewer.py Mon Jul 18 18:45:54 2016 +0800
+++ b/viewer.py Mon Jul 18 18:47:26 2016 +0800
options.parse_command_line()
- application.listen(options.port, address=options.listen, xheaders=options.xheaders)
+ application.listen(options.port, options.listen, xheaders=options.xheaders)
IOLoop.instance().start()