[issue19058] test_sys.test_ioencoding_nonascii() fails with ASCII locale encoding

[STINNER Victor]

STINNER Victor added the comment:

> What could you say about the recent patch Victor?

I'm not sure that it works in all cases. io.TextIOWrapper doesn't care to normalize the encoding name. You should use something like:

   encoding = codecs.lookup(encoding).name

Otherwise, the test can fail if you care one of the various aliases of each encoding. Example: "UTF-8" vs "utf8" vs "utf-8".

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<http://bugs.python.org/issue19058>
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