> I am aware of this. It is just unexpected that other.__eq__(self) calls >> self._eq(other) >> >> As a user of that rich cmp method I would have expected it to call >> other._eq(self). >> >> Raising a not implemented error seems nice. :) >> > > Note that it should return NotImplemented (a built in constant to be > returned by rich comparisons), not raise a NotImplementedError. > > There is also precedent in Python for raising a TypeError with < and > too. However, I think that causes more headaches than it solves.
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