docs: def _release_info():
      """Check latest fastfood release info from PyPI."""
      pypi_url = 'http://pypi.python.org/pypi/fastfood/json'
      headers = {
          'Accept': 'application/json',
      }
      request = urllib.Request(pypi_url, headers=headers)
      response = urllib.urlopen(request).read().decode('utf_8')
      data = json.loads(response)
      return data