boto/boto — pull request #807 by tpodowd (2012-06-11 08:46:40+00:00)
Title: Reset response to None when following a redirect.

- if a request which follows a redirect throws a HTTPException
and we're out of retries, the real exception is hidden because
the response from the previous redirect is still set. Resetting
the response to None, allows us to see any real exception.