gh-145392: Fix _pyrepl completion to replace input stem instead of appending
#240789
| Job | Run time |
|---|---|
| 6s | |
| 4s | |
| 10s |
_pyrepl completion to replace input stem instead of appending
#240789
| Job | Run time |
|---|---|
| 6s | |
| 4s | |
| 10s |