During April 2025, Michael Pleune focused on improving the reliability of the immich-app/immich repository by addressing a persistent test failure related to default CPU session options when CUDA was globally enabled. He analyzed the interaction between CUDA and CPU execution providers, then implemented a targeted fix in Python to ensure the test suite accurately reflected runtime behavior. By refining the test logic and aligning it with the expected session configuration, Michael reduced CI flakiness and helped prevent regressions in CUDA-enabled builds. His work demonstrated a strong understanding of machine learning infrastructure, Python testing practices, and the nuances of hardware-accelerated environments.