base_ring not a ring?

[Martin R]

I am guessing that this is a bug.  Can anybody confirm?

sage: T = StandardTableau([[1,2,3],[4,5]]).residue_sequence(3).standard_tableaux()

sage: T.base_ring()
3-residue sequence (0,1,2,2,0) with multicharge (0)

[Travis Scrimshaw]

Yes, that's a bug. It is passing the residue to the base class, which doesn't handle it. So I simply removed it from the super().__init__() call in https://github.com/sagemath/sage/pull/40651.

Best,

Travis