Click and pylint
The @click.command decorator edits your functions parameters, but pylint does not know this, since it does not actually run your code.
I don't think it makes sense to make your code weird just so pylint is happy. Instead, ignore it, or add a comment to disable that warning in the current scope:
# pylint: disable=no-value-for-parameter
There is a way to avoid those errors from happening, by not using the decoration syntax. This might be what @Azsgy referred to as 'weird' :-)
@click.option( "--direction", default="upgrade", type=click.Choice(["upgrade", "downgrade"]), help="Direction of migration upgrade/downgrade",)@click.argument("revision", default="heads")def _main(direction, revision): """Runs migrations on each of the databases.""" passmain = click.command()(_main)if __name__ == "__main__": main()Whether it's nice or not is debatable :-)