Get rid of unnecessary/inconsistent mixin

diff --git a/demos/chat/chatdemo.py b/demos/chat/chatdemo.py
index 25d033035cbdbf7dc3be9fc9793cea5cc582c314..db393039abe3233eda9a3e078ba54d2e18140d3e 100755 (executable)
--- a/demos/chat/chatdemo.py
+++ b/demos/chat/chatdemo.py
@@ -139,7 +139,7 @@ class AuthLoginHandler(BaseHandler, tornado.auth.GoogleMixin):
         self.redirect("/")
 
 
-class AuthLogoutHandler(BaseHandler, tornado.auth.FacebookMixin):
+class AuthLogoutHandler(BaseHandler):
     def get(self):
         self.clear_cookie("user")
         self.redirect(self.get_argument("next", "/"))