Full Changelog: [v1.63.2...v1.64.0](https://github.com/openai/openai-python/compare/v1.63.2...v1.64.0)
Features
* **client:** allow passing `NotGiven` for body ([2135](https://github.com/openai/openai-python/issues/2135)) ([4451f56](https://github.com/openai/openai-python/commit/4451f5677f9eaad9b8fee74f71c2e5fe6785c420))
Bug Fixes
* **client:** mark some request bodies as optional ([4451f56](https://github.com/openai/openai-python/commit/4451f5677f9eaad9b8fee74f71c2e5fe6785c420))
Chores
* **internal:** fix devcontainers setup ([2137](https://github.com/openai/openai-python/issues/2137)) ([4d88402](https://github.com/openai/openai-python/commit/4d884020cbeb1ca6093dd5317e3e5812551f7a46))