Worked on stabilizing the authentication process in the expectedparrot/edsl repository by addressing a runtime error in the login flow. The solution involved identifying an undefined error caused by a missing import and resolving it by adding the sys module, ensuring consistent behavior across different environments. This targeted fix was implemented as a single, low-risk commit, focusing on backend reliability and maintainability. Using Python and backend development skills, the work improved the robustness of user sign-in by preventing crashes during authentication. The approach emphasized precise, minimal changes to support faster incident resolution and maintain a stable codebase for ongoing development.