New submission from Graham Cummins :
When attempting to pass instances of a custom class in the argument list
of a multiprocessing.Pool.map call, I encounter an inexplicable AttributeError.
A simplified test script that creates the bug is included. It fails for both
Python 2.7.1 and 3.2 on my
Graham Cummins added the comment:
As far as I can tell, this is a version of the scope-dependent un-pickling
issue mentioned in the documentation. I'm still rather confused, since in the
original occurrence of the issue happens despite the fact that subprocesses
should be able to impor