What's Changed
- make all getters for Rust objects read only by @adriangb in #429
- Fix typehint for discriminator; add test by @dmontagu in #441
- Update repr of SchemaValidator by @dmontagu in #442
- Convert tuples from *args into lists in schemas by @adriangb in #431
- Support dict keys, values and items on PyPy by @adriangb in #448
- Uprev version to 0.12.1 by @adriangb in #449
Full Changelog: v0.12.0...v0.12.1