gh-142737: Handle lost io.open in _Py_FindSourceFile
#225728
| Job | Run time |
|---|---|
| 3s | |
| 3s | |
| 6s |
io.open in _Py_FindSourceFile
#225728
| Job | Run time |
|---|---|
| 3s | |
| 3s | |
| 6s |