[issue7472] email.encoders.encode_7or8bit(): typo "iso-2202". "iso-2022" is correct.

[Shashwat Anand]

Shashwat Anand <anand.shashwat at gmail.com> added the comment:

I was getting a feel that the inner if-test is not being used in any case.  Submitting the patch which removes the inner if test and adding a unittest.

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<http://bugs.python.org/issue7472>
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