[issue21082] os.makedirs(exist_ok=True) is not thread-safe: umask is set temporary to 0, serious security problem

[Raymond Hettinger]

Changes by Raymond Hettinger <raymond.hettinger at gmail.com>:


----------
nosy: +christian.heimes

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21082>
_______________________________________