Help needed again. I removed the (seemingly) useless overrides, but now
SetPartition and DecoratedPermutation isn't hashable anymore. Curiously,
ParkingFunction is, and I don't see the difference.
On Saturday, 10 December 2022 at 23:45:41 UTC+1 Martin R wrote:
> https://trac.sagemath.org/tick
Once again:
https://docs.python.org/3/reference/datamodel.html#object.__hash
__eq__ and __hash__ are tied ad the hip: overriding one prevents
inheritance of the other.
Python takes its contract "equality must imply identical hashes" a little
more seriously than sage, so Python doesn't allow th
