code: def _send_mfg_inspector_request(envelope_data, credentials, destination_url):
    
    logging.info('Uploading result...')
    http = httplib2.Http()
  
    if credentials.access_token_expired:
      credentials.refresh(http)
    credentials.authorize(http)
  
    resp, content = http.request(destination_url, 'POST', envelope_data)
  
    try:
      result = json.loads(content)
    except Exception:
      logging.debug('Upload failed with response %s: %s', resp, content)
      raise UploadFailedError(resp, content)
  
    if resp.status != 200:
      logging.debug('Upload failed: %s', result)
      raise UploadFailedError(result['error'], result)
  
    return result
docs: Send upload http request.  Intended to be run in retry loop.