I don't see the added value of "_ = unneeded_var" compared with a comment
# Argument "unneeded_var" not used here
And if you use Flake8 you can easily configure it to ignore "_" if it matches your preferences.
I don't see the added value of "_ = unneeded_var" compared with a comment
# Argument "unneeded_var" not used here
And if you use Flake8 you can easily configure it to ignore "_" if it matches your preferences.