[issue30399] Get rid of trailing comma in the repr() of BaseException

[Serhiy Storchaka]

Changes by Serhiy Storchaka <storchaka+cpython at gmail.com>:


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title: Get rid of trailing comma if the repr() of BaseException -> Get rid of trailing comma in the repr() of BaseException

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30399>
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