[issue36139] release GIL on mmap dealloc

[STINNER Victor]

STINNER Victor <vstinner at redhat.com> added the comment:

The bug:
https://github.com/python/cpython/pull/12073/files#r263026496

----------

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36139>
_______________________________________