gh-89610: Add .pyi as a recognised extension for IDLE on macOS (#95393)

This allows opening stub files by double clicking on them in the Finder.

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

Erlend Egeberg Aasland committed 3y ago

06fc249135e5b98a74fc0213e157e80412354659

Parent: edb7204

Committed by GitHub <noreply@github.com> on 7/28/2022, 11:04:26 PM