[issue27066] SystemError if custom opener returns -1

[Roundup Robot]

Roundup Robot added the comment:

New changeset 4af64ab34eef by Barry Warsaw in branch '3.5':
Issue #27066: Fixed SystemError if a custom opener (for open()) returns
https://hg.python.org/cpython/rev/4af64ab34eef

New changeset 84c91d7d4667 by Barry Warsaw in branch 'default':
Issue #27066: Fixed SystemError if a custom opener (for open()) returns a
https://hg.python.org/cpython/rev/84c91d7d4667

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nosy: +python-dev

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<http://bugs.python.org/issue27066>
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