> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 1.4.0-rc3 **`(fix):`** pin mypy dependency to 1.9.0 to prevent introducing upstream bugs ### What's been fixed * Set `mypy` dev dependency in generated `pyproject.toml` to `1.9.0`. This prevents upstream `mypy` bugs from affecting user builds. Note that this is only a dev dependency, so it does not affect the behavior of the SDK. * Temporarily disable unit test generation. ### What's changed * Improvement: Use named parameters for all `httpx` request params.