On 26.02.2013 23:12, Ronan Lamy wrote:
> In sympy/simplify/hyperexpand.py:
>
>>
>>       @property
>>       def sizes(self):
>>           return (len(self.ap), len(self.bq))
>>
>>  -    def __repr__(self):
>>  -        return'IndexPair(%s, %s)'  % (self.ap, self.bq)
>
> No, because this is already implemented in |Basic|.
>
> —
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> <https://github.com/sympy/sympy/pull/1650/files#r3163049>.
>
ah I see