[docs] [issue30136] Add test.support.script_helper to documentation

[Berker Peksag]

Berker Peksag added the comment:

This is a duplicate of issue 18576.

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nosy: +berker.peksag
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> Document test.support.script_helper

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30136>
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