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Time comparisons sometimes fail to fail #10651
Description
From #10646 (comment)
In [21]: TimeDelta(1*u.day, scale='tai') < Time('J2000')
Out[21]: True
The reason this fails is that the comparisons first try to get both arguments to the same class and scale, and this works when it wasn't expected to work:
In [35]: Time(TimeDelta(1<<u.day, scale='tt'))
Out[35]: <TimeDelta object: scale='tt' format='jd' value=1.0>
It is not completely obvious whether generically a superclass passing back a subclass unchanged is OK, but for Time is shouldn't happen!
Activity
mhvk commentedon Oct 6, 2020
fixed in current master (by #10656, I think)