def _send_request(self, req):
req_xml = six.b(constants.XML_HEADER) + ET.tostring(req)
rsp_xml = self._conn.request(req_xml)
result = parser.parse_xml_api(parser.xml_to_tupletree(rsp_xml))
status, msg_info = self._verify_response(result)
return status, msg_info, result