Henry Carscadden <hl...@virginia.edu> added the comment:

@Tim Peters
For example,
the following should reproduce the error:
many_arguments = [[1,2] for i in range(50)]
for term in product(*many_arguments):
    print(term)
In my application, I was taking the Cartesian product of the sets of all simple 
path to several nodes. This regularly produced a lot of arguments and crashed 
the compute nodes on which my jobs were running. Perhaps, this is not a salient 
concern for most uses, but I just wanted to make you aware of the issue.

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue40230>
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