pytype: resurrect (deprecated) PyType::is_instance #2031
Merged
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This change is a follow-up to #1985 to restore
PyType::is_instance
in a deprecated state.I realised that if we just straight-up remove this method without a deprecation cycle, users will likely experience runtime failures because
type.is_instance(obj)
will continue to compile but selectPyAny::is_instance
instead thanks toPyType
dereferencing toPyAny
.Hence this PR resurrects
PyType::is_instance
in a deprecated state so that users have some time to migrate away.