bpo-1635741: Fix potential refleaks in binascii module by shihai1991 · Pull Request #18613 · python/cpython · GitHub

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Fix potential refleaks in binascii module

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https://github.com/python/cpython/blob/master/Objects/moduleobject.c#L399

What's the reason? the malloc operation of md_state will be called after first calling binascii_traverse. https://github.com/python/cpython/blob/master/Objects/moduleobject.c#L399.

using the var name module to replace m

Use get_binascii_state instead of PyModule_GetState #26069

Py_Finalize() doesn't clear all Python objects at exit #44470