[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 <[email protected]>
miss-islington
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Fidget-Spinner,
JelleZijlstra and
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(cherry picked from commit 08756db)
Co-authored-by: Alex Waygood [email protected]
typing.Protocolimplementation means thatisinstance([], collections.abc.Mapping)can sometimes evaluate toTrue#105280