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Changes between Version 1 and Version 2 of Ticket #24897, comment 1

v1	v2
	1	EDIT:
	2	I was thinking that this:
	3	{{{
	4	choices = (format(timedelta(days=7)).replace("days, ",""), "one week")
	5	}}}
	6	would've work but it get blocked at `Field.validation` level, at that time the value is already checked against a timedelta