runtime error

PSConnectionPool(host='api.telegram.org', port=443): Max retries exceeded with url: /bot6445814849:AAE7rMShIpKZ5tH-JXfaB16XeRpyRLKA5Mg/sendMessage (Caused by NewConnectionError('<telegram.vendor.ptb_urllib3.urllib3.connection.VerifiedHTTPSConnection object at 0x7f0ec6685480>: Failed to establish a new connection: [Errno -5] No address associated with hostname')) The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/home/user/app/app.py", line 355, in <module> main() File "/home/user/app/app.py", line 348, in main updater.bot.send_message(chat_id='6287128460', text="/start") File "/usr/local/lib/python3.10/site-packages/telegram/bot.py", line 134, in decorator result = func(*args, **kwargs) File "/usr/local/lib/python3.10/site-packages/telegram/bot.py", line 534, in send_message return self._message( # type: ignore[return-value] File "/usr/local/lib/python3.10/site-packages/telegram/ext/extbot.py", line 203, in _message result = super()._message( File "/usr/local/lib/python3.10/site-packages/telegram/bot.py", line 344, in _message result = self._post(endpoint, data, timeout=timeout, api_kwargs=api_kwargs) File "/usr/local/lib/python3.10/site-packages/telegram/bot.py", line 299, in _post return self.request.post( File "/usr/local/lib/python3.10/site-packages/telegram/utils/request.py", line 361, in post result = self._request_wrapper( File "/usr/local/lib/python3.10/site-packages/telegram/utils/request.py", line 265, in _request_wrapper raise NetworkError(f'urllib3 HTTPError {error}') from error telegram.error.NetworkError: urllib3 HTTPError HTTPSConnectionPool(host='api.telegram.org', port=443): Max retries exceeded with url: /bot6445814849:AAE7rMShIpKZ5tH-JXfaB16XeRpyRLKA5Mg/sendMessage (Caused by NewConnectionError('<telegram.vendor.ptb_urllib3.urllib3.connection.VerifiedHTTPSConnection object at 0x7f0ec6685480>: Failed to establish a new connection: [Errno -5] No address associated with hostname'))

Container logs: