GTTF: When faking urllib2.HTTPError use int type for HTTP error code

This makes exception catching code which compares the code with
numeric values work as expected. pythonis not PHP and 500 != '500'.

BUG=none

Review URL: https://codereview.chromium.org/27260007

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@228788 0039d316-1c4b-4281-b951-d872f2087c98

rietveld.py

@@ -365,7 +365,8 @@ class Rietveld(object):
         m = re.search(r'(50\d) Server Error', msg)
         if m:
           # Fake an HTTPError exception. Cheezy. :(
-          raise urllib2.HTTPError(request_path, m.group(1), msg, None, None)
+          raise urllib2.HTTPError(
+              request_path, int(m.group(1)), msg, None, None)
         old_error_exit(msg)
       upload.ErrorExit = trap_http_500