Worked on the HuggingFace Picotron repository to enhance the robustness of the model downloader, addressing an issue where model loading would fail if multiple .safetensors files were present instead of a single model.safetensors file. By updating the downloader logic to proceed when any .safetensors file exists, the solution improved reliability for multi-file model packages and reduced deployment-time failures. The work involved Python programming with a focus on file handling and model management, demonstrating careful debugging and thorough code review. This fix contributed to smoother model initialization and decreased support escalations related to model loading in production environments.