inconsistency with += between different types ?

Andreas Leitgeb Andreas.Leitgeb at
Wed Aug 7 20:52:44 CEST 2002

Terry Reedy <tjreedy at> wrote:
> "Andreas Leitgeb" <Andreas.Leitgeb at> wrote in message
>> __iadd__ is SUPPOSED to modify self's attributes and then 
>> "return self"
> Only if that is the sensible thing to do.
See also Message <6qlm7i60dx.fsf at> and its followups.

> Python is not a nanny.  It's a language for consenting adults.
Was this intended to be a killer-argument ?

Why shouldn't we try to close pitfalls that seem to gain us nothing ?

Newsflash: Sproingy made it to the ground !
  read more ... <>

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