[issue41194] Python 3.9.0b3 crash on compile() in PyAST_Check() when the _ast module is loaded more than once

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:


New changeset b1cc6ba73a51d5cc3aeb113b5e7378fb50a0e20a by Victor Stinner in branch 'master':
bpo-41194: Convert _ast extension to PEP 489 (GH-21293)
https://github.com/python/cpython/commit/b1cc6ba73a51d5cc3aeb113b5e7378fb50a0e20a


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<https://bugs.python.org/issue41194>
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