Add exc_info parameter to start_response() in WSGIContainer.

diff --git a/tornado/wsgi.py b/tornado/wsgi.py
index 0e437e7bc99803341373f00f7ec370479451107b..9f363e6deef03324224d0aeb3cfef10921444d6b 100644 (file)
--- a/tornado/wsgi.py
+++ b/tornado/wsgi.py
@@ -210,7 +210,7 @@ class WSGIContainer(object):
 
     def __call__(self, request):
         data = {}
-        def start_response(status, response_headers):
+        def start_response(status, response_headers, exc_info=None):
             data["status"] = status
             data["headers"] = HTTPHeaders(response_headers)
         body = "".join(self.wsgi_application(