Customers have the option of using a YAML file to version control all their flags and commands.
YAML can sometimes do unexpected things and it might be hard to even know what happened.
An easy way to make sure your YAML file is valid is to use yamllint.
You can go here:
which will output a correct version of your YAML
NOTE: It might modify your YAML without telling you
or download the yamllint CLI to do this yourself
pip install --user yamllint