[issue19185] Allow multiprocessing Pool initializer to return values

[Matteo Cafasso]

Matteo Cafasso added the comment:

On 09/10/13 22:59, Richard Oudkerk wrote:
> Yes.  But my point was that somebody might have used such a function as the initializer argument.  The proposed change would break a program which does
>
>      with Pool(initializer=os.nice, initargs=(incr,)) as p:
>          ...
Indeed in cases like that the backward compatibility would break if the 
passed function is accepting a fixed amount of positional arguments.

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<http://bugs.python.org/issue19185>
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