Lalithnarayan C. focused on enhancing the FlexAttention module in the liguodongiot/transformers repository, addressing a critical runtime issue affecting CPU deployments. By refining the handling of the return_lse flag, he ensured it is only set when not running on CPU, which eliminated errors and improved cross-device reliability. His work involved updating function signatures and control flow to better align with PyTorch API expectations, resulting in clearer logic and safer operation. Utilizing Python and deep learning expertise, Lalithnarayan’s targeted bug fix increased the stability of CPU-based inference, enabling broader hardware compatibility and reducing the risk of similar issues in future development.