Julien Greuter developed and integrated the HealpixSky distribution into the gwastro/pycbc repository, enabling users to draw sky locations directly from HEALPix maps for astrophysical data analysis. Using Python and leveraging scientific computing techniques, Julien implemented the distribution via rejection sampling within the sky_location.py module, ensuring accurate and efficient sky localization. The work included exposing HealpixSky in the package initialization for easier access, improving code readability and error handling in related components such as FisherSky, and updating tests to maintain reliability. This focused, well-structured contribution enhanced the package’s data distribution capabilities while maintaining code quality and maintainability.