__getitem__, __getslice__ question for python 2.2

[Erik Max Francis]

Ken Seehof wrote:

> I don't see the problem.  If x is 'a', x != int(x) evaluates to false,
> consistent with 'a' not being an integer.

No, 'a' != int('a') does not evaluate to false.  It raises a ValueError.

> If the actual type is important and you don't consider 2.0 to be an
> integer, you can say:
> 
>   if type(x) != int: ...

Only behaves as expected in Python 2.2 and later.  The canonical test is
type(x) != types.IntType.

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