Developed a new command-line interface feature for the tweag/FawltyDeps repository, introducing a --base_path option to specify the package root directory when resolving Python package structures. This enhancement allows users to provide source files directly while maintaining backward compatibility by defaulting to the current directory if no base path is given. The work focused on improving configuration management and reducing manual setup, clarifying how package roots are determined within the workflow. Implemented in Python with attention to testing, the update streamlines developer onboarding and maintainability by making package root resolution explicit and controllable through a single, well-documented CLI option.