In January 2025, Gaetan Lepage modernized the packaging for the Aider-chat project in the GaetanLepage/nixpkgs repository. He refactored the build process to support both Python package and standalone application deployment, switching from buildPythonApplication to buildPythonPackage. This change improved compatibility with Python development tools and simplified deployment for end users. Lepage incremented the package version to reflect these updates, focusing on enhancing usability and flexibility for Python developers. His work demonstrated proficiency in Nix packaging, Python packaging, and build workflow management. The depth of the contribution lay in enabling dual packaging modes and streamlining integration with Python tooling.