The Python Console drops errors

[Yazan-Zayn]

Hello everyone
I have a raspberry pi and want to use Flask_SocketIO to control GPIOs.
I have the problem that the console drops errors.
My Python code:

Python Console Errors :

Browser Errors:

Python Packages:

eventlet==0.33.1
ExplorerHAT==0.4.2
Flask==2.1.3
Flask-Cors==3.0.10
Flask-InfluxDB==0.3.3
Flask-Login==0.5.0
Flask-Mail==0.9.1
Flask-MySQLdb==0.2.0
Flask-SocketIO==5.2.0
Flask-SQLAlchemy==2.4.4
python-decouple==3.1
python-engineio==4.3.2
python-prctl==1.7
python-socketio==5.6.0
Werkzeug==2.1.2
wrapt==1.12.1
zipp==3.9.0

Many thanks in advance

[miguelgrinberg]

I would start by uninstalling eventlet. Why are you using it here? This is an asynchronous framework, I don't think the GPIO library is compatible with it.

[Yazan-Zayn]

Thank you for your quick reply.

I know it works without eventlet but I am using eventlet for another script.
I didn't want to reinstall eventlet every time.

For all others:

The solution is to uninstall eventlet.

[Yazan-Zayn]

I uninstalled eventlet and it works.

After a few minutes the error message appears in the browser:

[miguelgrinberg]

Install simple-websocket if you want WebSocket support.