During December 2024, Aoyu Li focused on enhancing the reliability of the HunyuanVideoGP repository by developing comprehensive unit tests for its attention module. Leveraging expertise in Python, PyTorch, and distributed systems, Aoyu validated both multi-modal and single-stream block attention mechanisms, ensuring the attention function and xFuserLongContextAttention class performed correctly across various configurations. The tests included assertions on tensor shapes and numeric closeness, directly supporting early detection of regressions in model inference. This work improved test coverage for critical attention pathways, strengthening the project’s continuous integration pipeline and contributing to more robust and dependable model deployment in production environments.