Ticket #11340: patch.diff

django/http/__init__.py

@@ -416 +416 @@
 class HttpResponseNotModified(HttpResponse):
     status_code = 304
 
+    def __init__(self):
+        HttpResponse.__init__(self)
+        del self._headers['content-type']
+
 class HttpResponseBadRequest(HttpResponse):
     status_code = 400