(backend-py3.10) JPC00208062:backend dicek$ python3 main.py
* Serving Flask app 'main'
* Debug mode: off
Address already in use
Port 5000 is in use by another program. Either identify and stop that program, or start the server with a different port.
On macOS, try disabling the 'AirPlay Receiver' service from System Preferences -> Sharing.