[issue45020] Freeze all modules imported during startup.

[STINNER Victor]

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

Is bpo-45220 "Windows builds sometimes fail on Azure and GitHub Action: fatal error RC1116: RC terminating after preprocessor errors" related to this issue?

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nosy: +vstinner

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45020>
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