GPopt (https://github.com/Techtonique/GPopt),
using reticulate and a Python virtual environment created with uv,
following the technique described at
https://thierrymoudiki.github.io/blog/2025/12/17/r/python/new-nnetsauce-R-uvGPOpt, MLOptimizer, GenericSurrogate, GeneralizationOpt,
and BOstopping.get_GPopt(), get_numpy(), get_sklearn() for direct access to
the underlying Python modules.