docs/releases/v3.0.1.rst
tornado.auth.FacebookGraphMixin is now consistent
with its documentation and the rest of the module. The
get_authenticated_user and facebook_request methods return a
Future and the callback argument is optional.tornado.testing.gen_test decorator will no longer be recognized
as a (broken) test by nose.ssl.match_hostname function.tornado.websocket.websocket_connect now fails cleanly when it attempts
to connect to a non-websocket url.tornado.testing.LogTrapTestCase once again works with byte strings
on Python 2.request attribute of tornado.httpclient.HTTPResponse is
now always an ~tornado.httpclient.HTTPRequest, never a _RequestProxy.tornado.gen module now have better messages
when tuples are used as callback keys.