Why is the onclose function not being executed in Python's Websocket?

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It is possible that the onclose function is not being executed due to one of the following reasons:

1. The WebSocket connection is not properly established: If the WebSocket connection is not properly established, the onclose function may not be executed. Ensure that the WebSocket connection is properly established before using the onclose function.

2. There is no connection disruption: If there is no disruption in the WebSocket connection, the onclose function may not be executed. Therefore, try simulating a connection disruption to see if the onclose function is executed.

3. The onclose function is not properly defined: Ensure that the onclose function is properly defined and that it is being called at the correct time. The onclose function should be defined before the WebSocket connection is established, and it should be added as an event listener for the WebSocket connection.