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Zuli's Error Fix
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Home>>IT>>[Solved] werkzeug.routing.WebsocketMismatch: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand.

[Solved] werkzeug.routing.WebsocketMismatch: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand.

2024/01/19 16:13

Error

werkzeug.routing.WebsocketMismatch: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand.

Solution

1: Downgrade Flask and Werkzeug versions

pip install flask==1.1.1
pip install Werkzeug==1.0.1

2 Try to install flask_sockets package

pip install flask_sockets

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