That doesn’t seem incorrect; given that no year is specified, it seems like it’s evaluating the constraint in the context of an implicit default year. (1970? 0

That doesn’t seem incorrect; given that no year is specified, it seems like it’s evaluating the constraint in the context of an implicit default year. (1970? 0CE?) The confusing part, to me, is that Python would consider the above string to be parsed into a date in the first place, given that it has no year.