Dmytro Bieliaiev enhanced the grpc/grpc repository’s build system by integrating Python headers from rules_python into the Bazel configuration. This work focused on improving Python dependency handling and ensuring cross-version compatibility, reducing manual management and streamlining the build process. By adopting python_register_toolchains and aligning the workspace with reviewer recommendations, Dmytro delivered a robust Python toolchain setup that supports more reliable builds across diverse environments. The changes were implemented using Bazel and Python, emphasizing build system configuration and code maintainability. This targeted feature development laid a solid foundation for future enhancements, while minimizing risk to downstream builds through non-breaking updates.