[3.12] gh-105280: Ensure isinstance([], collections.abc.Mapping) always evaluates to False (GH-105281)#105318
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…ays evaluates to `False` (pythonGH-105281) (cherry picked from commit 08756db) Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
miss-islington requested review from AlexWaygood, Fidget-Spinner, JelleZijlstra and gvanrossum as code owners
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(cherry picked from commit 08756db)
Co-authored-by: Alex Waygood Alex.Waygood@Gmail.com
typing.Protocolimplementation means thatisinstance([], collections.abc.Mapping)can sometimes evaluate toTrue#105280