code: def raise_http_error(cls, response):
          
          response_xml = response.read()
          logging.getLogger('recurly.http.response').debug(response_xml)
          exc_class = recurly.errors.error_class_for_http_status(response.status)
          raise exc_class(response_xml)
docs: Raise a `ResponseError` of the appropriate subclass in
          reaction to the given `http_client.HTTPResponse`.