Gourab Banerjee focused on improving runtime stability in the e2nIEE/pandapower repository by addressing a targeted bug in the OC Relay display logic. He resolved an AttributeError in the OCRelay string representation by refactoring the code to use the switch_index attribute instead of name, ensuring accurate relay indexing and preventing downstream errors. Working primarily with Python, Gourab updated the project documentation and changelog to maintain traceability and code hygiene. His work emphasized bug fixing and refactoring, resulting in more reliable automation and dashboard integrations. The depth of his contribution strengthened the project’s robustness without introducing new user-facing features.