[issue7244] itertools.zip_longest behaves strangely with an iterable class

[Hirokazu Yamamoto]

Hirokazu Yamamoto <ocean-city at m2.ccsnet.ne.jp> added the comment:

I created the patch to improve test which was checked in r76004. This
patch checks if correct elements are returned even when RuntimeError is
raised. Could you take a look?

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Added file: http://bugs.python.org/file15245/improve_test_itertools.patch

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