During September 2025, Huanyu Wu contributed to the pytorch/pytorch repository by developing a unified device checking feature within the common_dtensor module. Leveraging Python and distributed systems expertise, Huanyu integrated the Accelerator API to enable device-agnostic workflows, enhancing compatibility across diverse hardware. This work focused on improving the efficiency of the testing module by streamlining device checks, which supports broader accelerator integration in the future. Although no bugs were fixed during this period, the feature laid a technical foundation for more robust cross-device support. The contribution demonstrated depth in distributed systems and testing, aligning with PyTorch’s evolving accelerator strategy.