Python logging file config KeyError: 'formatters'

Question

I\'m currently working on a python project and I set up logging using a config file. It has already worked and was logging my messages as wanted.

But then, after rearran

Answer 1

in my case this error was showing up when I was trying to run my flask app on Docker container.

What helped me is adding:

flask db init

into the boot.sh that runs at the beginning of container creation.