Worked on the ModelCloud/GPTQModel repository to address a critical packaging issue affecting wheel build reliability. Focused on Python development and package management, the work involved correcting a typo in setup.py by updating the ABI flag reference from sys.abiflag to sys.abiflags. This technical fix resolved a blocking error that previously caused wheel builds to fail, resulting in more stable continuous integration runs and smoother release cycles. The solution demonstrated careful attention to Python packaging details, including proper ABI flag handling and wheel filename generation. Clear commit documentation provided traceability, supporting future maintenance and ensuring the repository’s release process remained predictable.