The main &listen loop.

def _thread_listen(self):
        """The main &listen loop."""
        while self._running:
            try:
                rest = requests.get(URL_LISTEN.format(self._url),
                                    timeout=self._timeout)
                if rest.status_code == 200:
                    self._queue.put(rest.json())
                else:
                    _LOGGER.error('QSUSB response code %s', rest.status_code)
                    sleep(30)

            # Received for "Read timed out" and "Connection refused"
            except requests.exceptions.ConnectionError as err:
                if str(err).find('timed') > 0:  # "Read timedout" update
                    self._queue.put({QS_CMD: CMD_UPDATE})
                else:  # "Connection refused" QSUSB down
                    _LOGGER.error(str(err))
                    sleep(60)
            except Exception as err:  # pylint: disable=broad-except
                _LOGGER.error("%s - %s", str(type(err)), str(err))
                sleep(5)

        self._queue.put({})