Fix TypeError: cannot concatenate 'str' and 'int' objects

git_cl.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Copyright (C) 2008 Evan Martin <martine@danga.com>
 
 """A git-command for integrating reviews on Rietveld."""
 
 from distutils.version import LooseVersion
@@ skipping 636 matching lines @@
                 ('\nWhile fetching the description for issue %d, received a '
                  '404 (not found)\n'
                  'error. It is likely that you deleted this '
                  'issue on the server. If this is the\n'
                  'case, please run\n\n'
                  '    git cl issue 0\n\n'
                  'to clear the association with the deleted issue. Then run '
                  'this command again.') % issue)
           else:
             DieWithError(
-                '\nFailed to fetch issue description. HTTP error ' + e.code)
+                '\nFailed to fetch issue description. HTTP error %d' % e.code)
       self.has_description = True
     if pretty:
       wrapper = textwrap.TextWrapper()
       wrapper.initial_indent = wrapper.subsequent_indent = '  '
       return wrapper.fill(self.description)
     return self.description
 
   def GetPatchset(self):
     """Returns the patchset number as a int or None if not set."""
     if self.patchset is None and not self.lookedup_patchset:
@@ skipping 1694 matching lines @@
         ('AppEngine is misbehaving and returned HTTP %d, again. Keep faith '
           'and retry or visit go/isgaeup.\n%s') % (e.code, str(e)))
 
 
 if __name__ == '__main__':
   # These affect sys.stdout so do it outside of main() to simplify mocks in
   # unit testing.
   fix_encoding.fix_encoding()
   colorama.init()
   sys.exit(main(sys.argv[1:]))