magic-removal: Merged to [1978]

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1979 bcc190cf-cafb-0310-a4f2-bffc1f526a37

AUTHORS

@@ -35,6 +35,7 @@ answer newbie questions, and generally made Django that much better:
     Andreas
     David Ascher <http://ascher.ca/>
     Arthur <avandorp@gmail.com>
+    Jiri Barton
     James Bennett
     Paul Bissex <http://e-scribe.com/>
     Simon Blanchard

django/contrib/sessions/middleware.py

@@ -69,7 +69,8 @@ class SessionMiddleware:
         try:
             modified = request.session.modified
         except AttributeError:
-            modified = False
+            pass
+        else:
             if modified or SESSION_SAVE_EVERY_REQUEST:
                 session_key = request.session.session_key or Session.objects.get_new_session_key()
                 new_session = Session.objects.save(session_key, request.session._session,