code: def _is_temporal_problem(exception):
      
      try:
          return isinstance(exception, (requests.ConnectionError, requests.Timeout))
      except AttributeError:  # Earlier requests versions might not have requests.Timeout
          return isinstance(exception, requests.ConnectionError)
docs: Checks if the obtained exception is temporal and if download attempt should be repeated
  
      :param exception: Exception raised during download
      :type exception: Exception
      :return: True if exception is temporal and False otherwise
      :rtype: bool