ERROR - 'Key "fit" not found in namespace.' with default_env is True

[tshu-w]

Step to reproduce

#!/usr/bin/env python

from pytorch_lightning.utilities.cli import LightningCLI

def main():
    cli = LightningCLI(
        parser_kwargs={
            "logger": {"level": "DEBUG"},
            "default_env": True,
        },
    )

if __name__ == "__main__":
    main()

python test.py fit --print_config=skip_null got:

2022-02-25 12:10:14,171 - LightningArgumentParser - INFO - Loaded default values from parser.
2022-02-25 12:10:14,171 - LightningArgumentParser - ERROR - 'Key "fit" not found in namespace.'

[mauvilsa]

This has been fixed in commit b9884a1 and it is included in v4.3.1 that has just been released.