use store_true for --use_preset

[milkschen]

There was no way to set --use_preset to False with the previous logic. This PR changes the argparse argument to fix it.

Impact

This change affects users currently using --use_preset=True. But it is fairly straightforward to troubleshoot. The workflow README is also updated to reflect the change.

[milkschen]

Thanks to @nhansen for reporting the issue!

[pickettbd]

I think type=bool needs to be removed in conjunction with the addition of action="store_true":

TypeError: _StoreTrueAction.__init__() got an unexpected keyword argument 'type'

[milkschen]

I think it has been removed?

leviosam2/workflow/leviosam2.py

Lines 232 to 236 in 4774343

	parser.add_argument(
	"--use_preset",
	action="store_true",
	help="Use default workflow parameters",
	)

[pickettbd]

Quite right! I must have looked in the wrong place or grabbed the wrong version or something. Sorry about that. And thank you!