log_view Client has been deleted but is still being used

[WolfgangFahl]

File "... ngwidgets/log_view.py", line 21, in emit
self.element.push(msg)
File "../nicegui/elements/log.py", line 27, in push
Label(text)

...
log.warning('Client has been deleted but is still being used. This is most likely a bug in your application code. '

[WolfgangFahl]

see zauberzeug/nicegui#3231

[WolfgangFahl]

zauberzeug/nicegui#3028

[WolfgangFahl]

Error: maximum recursion depth exceeded in comparison | Log Record: <LogRecord: nicegui, 30, /home/wf/source/python/ngdemo/.venv/lib/python3.10/site-packages/nicegui/helpers.py, 20, "Client has been deleted but is still being used. This is most likely a bug in your application code. See https://github.com/zauberzeug/nicegui/issues/3028 for more information.">

[WolfgangFahl]

Use ui.log properly in a failsafe way