only show free-threaded warning on free-threaded build

PyO3 / pyo3

Rust bindings for the Python interpreter

https://pyo3.rs

Apache License 2.0

12.06k stars 744 forks source link

Closed davidhewitt closed 1 month ago

davidhewitt commented 1 month ago

cc @ngoldbaum

(No changelog because we added this warning as part of 0.23...)