Traceback (most recent call last):
  File "/home/pi/py-radio/.venv/lib/python3.7/site-packages/telegram/ext/updater.py", line 379, in _network_loop_retry
    if not action_cb():
  File "/home/pi/py-radio/.venv/lib/python3.7/site-packages/telegram/ext/updater.py", line 340, in polling_action_cb
    allowed_updates=allowed_updates)
  File "/home/pi/py-radio/.venv/lib/python3.7/site-packages/decorator.py", line 232, in fun
    return caller(func, *(extras + args), **kw)
  File "/home/pi/py-radio/.venv/lib/python3.7/site-packages/telegram/bot.py", line 67, in decorator
    result = func(*args, **kwargs)
  File "/home/pi/py-radio/.venv/lib/python3.7/site-packages/telegram/bot.py", line 2138, in get_updates
    result = self._request.post(url, data, timeout=float(read_latency) + float(timeout))
  File "/home/pi/py-radio/.venv/lib/python3.7/site-packages/telegram/utils/request.py", line 333, in post
    **urlopen_kwargs)
  File "/home/pi/py-radio/.venv/lib/python3.7/site-packages/telegram/utils/request.py", line 230, in _request_wrapper
    raise NetworkError('urllib3 HTTPError {}'.format(error))
telegram.error.NetworkError: urllib3 HTTPError HTTPSConnectionPool(host='api.telegram.org', port=443): Max retries exceeded with url: /bot##########:##################################/getUpdates (Caused by NewConnectionError('<telegram.vendor.ptb_urllib3.urllib3.connection.VerifiedHTTPSConnection object at 0x6c599110>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution'))