python sdk sub ws error

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1

sub_client.subscribe_aggregate_trade_event(“ethusdt”, callback, error)

[Sub][1] Unexpected error: Connection to remote host was lost.
[Sub][1] Connection is closing due to error
[Sub][1] Reconnecting after 1 seconds later
2021-07-20 11:21:49,392 - binance-client - WARNING - [Sub] call re_connect
In delay connection: 0
2021-07-20 11:21:49,393 - binance-client - WARNING - [Sub] call re_connect
[Sub][1] Reconnecting after 1 seconds later
[Sub][1] Unexpected error: ‘NoneType’ object has no attribute ‘is_ssl’
2021-07-20 11:21:50,392 - binance-client - WARNING - [Sub] call re_connect
In delay connection: 0
2021-07-20 11:21:50,392 - binance-client - WARNING - [Sub] call re_connect
[Sub][1] Reconnecting after 1 seconds later
2021-07-20 11:21:50,393 - binance-client - WARNING - [Sub] call re_connect
In delay connection: 0
[Sub][1] Unexpected error: ‘NoneType’ object has no attribute ‘is_ssl’
2021-07-20 11:21:51,392 - binance-client - WARNING - [Sub] call re_connect
[Sub][1] Reconnecting after 1 seconds later
2021-07-20 11:21:51,393 - binance-client - WARNING - [Sub] call re_connect
In delay connection: 0
2021-07-20 11:21:51,393 - binance-client - WARNING - [Sub] call re_connect
[Sub][1] Unexpected error: ‘NoneType’ object has no attribute ‘is_ssl’
[Sub][1] Connection is closing due to error
[Sub][1] Unexpected error: ‘NoneType’ object has no attribute ‘is_ssl’
[Sub][1] Connection is closing due to error
[Sub][1] Reconnecting after 1 seconds later

2021-07-28 19:19:05,398 - binance-client - WARNING - [Sub] call re_connect
In delay connection: -13873088
2021-07-28 19:19:05,398 - binance-client - WARNING - [Sub] call re_connect
In delay connection: -13873089
2021-07-28 19:19:05,398 - binance-client - WARNING - [Sub] call re_connect
In delay connection: -13873090
2021-07-28 19:19:05,398 - binance-client - WARNING - [Sub] call re_connect
In delay connection: -13873091
2021-07-28 19:19:05,398 - binance-client - WARNING - [Sub] call re_connect
In delay connection: -13873092

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Hi. Which library/ sdk did you use? If it’s not under binance, please check with the original developers, thanks.

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Of course, binance
But github issuses same error nobody reply