Make pandas.ExcelFile(...) in stubs consistent with the run time version.
#2778
| Job | Run time |
|---|---|
| 3m 20s | |
| 17s | |
| 3m 6s | |
| 3m 29s | |
| 5m 2s | |
| 5m 54s | |
| 6m 3s | |
| 2m 23s | |
| 2m 27s | |
| 2m 2s | |
| 34m 3s |