Tim Peters <t...@python.org> added the comment:
Serhiy, I don't understand. If `numbers.Rational` is in fact a superclass of
`numpy.int64`, then the latter will inherit an implementation added to the
former. The idea here isn't to add an abstract method to the Rational
interface, but a concrete default implementation:
class Rational(Real):
...
def as_integer_ratio(self):
return (self.numerator, self.denominator)
Or, as for Python ints, is Rational a "make believe" (virtual) superclass of
numpy.int64?
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue33073>
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