[issue24993] The C function PyCodec_NameReplaceErrors doesn't handle PyCapsule_Import() failure

[STINNER Victor]

STINNER Victor added the comment:

> It was optional in Python 2 (at least in Unicode-disabled build).

Yeah, even if I don't think that anyone is really using python without unicode in the wild. I guess that too many libraries don't work without unicode. Well, anyway this issue is for Python 3.6 which has always unicode support :-)

> Perhaps it can be exclude from custom build in Python 3 too.

Right, some patches were proposed to disable some features of Python to get a smaller Python core/stdlib, but some developers were opposed to this idea.

It's not supported officially by Python, so I don't think that we should polute the code for an hypothetic use case.

If you use a custom build, you must be prepared to some corner case bugs. If you modify the build, you are able to fix such simple issue.

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<http://bugs.python.org/issue24993>
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