[issue33596] fix memory leak in lib/json/scanner.py py_make_scanner

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

Thank you for your report and pull request, but it is a duplicate of issue30877. This bug was not fixed before because we wanted a test.

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nosy: +serhiy.storchaka
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
superseder:  -> possibe typo in json/scanner.py

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<https://bugs.python.org/issue33596>
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