On Jan 16, 3:25 am, "Colin J. Williams" <[EMAIL PROTECTED]> wrote:
Colin W.
>
> I'm sorry, there appears to be a bug:
There is, but but not where you think it is :-)
> # tSet.py
> import sets
[not the bug] Earlier evidence is that you are using 2.5.1; why import
sets??
> s1= sets.Set([1, 2, 3])
> s1.union_update([3, 4,5])
> print(s1)
> s2= sets.Set([6, 7, 8])
> s1 |+ s2 # This fails:
> exceptions.TypeError: bad operand type
> for unary +: 'Set'
Try reading and understanding the exception message ... "unary +" as
in the syntactically equivalent expression
s1 | +s2
HTH,
John
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