commit dfe4dee62a662793709dbc7c0531580ba5a2371b and 65fb3707ba4d35068971f996aa9664cf9ae7be78 break cpython-uasyncio by introducing such line in setup.py: ``` import optimize_upip ``` and thus, cpython report ImportError, cpython-uasyncio 0.2.1 package on PyPI don't include setup.py, causing this package broken.