During June 2025, Daniel Argüeso focused on improving code stability for the NVIDIA/physicsnemo repository by addressing a typing issue in the gefs_hrrr.py module. He identified and fixed a missing List type hint import from the typing module, which restored proper type annotations and enhanced static analysis. Working exclusively in Python, Daniel’s contribution improved code correctness and reduced the risk of runtime type errors, supporting better maintainability and developer productivity. Although no new features were introduced, his targeted bug fix strengthened the project’s typing discipline and documentation, ensuring more reliable and traceable code for ongoing and future development efforts.