gh-100227: Add a Granular Lock for _PyRuntime.imports.extensions.dict #103460
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ericsnowcurrently
requested review from
brettcannon,
encukou,
ncoghlan and
warsaw
as code owners
ericsnowcurrently
removed request for
brettcannon,
warsaw,
encukou and
ncoghlan
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The lock is unnecessary as long as there's a GIL, but completely necessary with a per-interpreter GIL.