Ticket #2504: gzip.diff

django/middleware/gzip.py

@@ -11 +11 @@
     on the Accept-Encoding header.
     """
     def process_response(self, request, response):
-        if response.status_code != 200 or len(response.content) < 200:
+        content_length = response.get_content_length()
+        if response.status_code != 200 or (content_length and content_length < 200):
             # Not worth compressing really short responses or 304 status
             # responses, etc.
             return response