Use default in TypeVar so Series defaults to Series[Any], and Index to Index[Any]
#3149
| Job | Run time |
|---|---|
| 15s | |
| 6m 20s | |
| 4m 6s | |
| 5m 40s | |
| 3m 43s | |
| 5m 35s | |
| 4m 8s | |
| 3m 55s | |
| 3m 58s | |
| 5m 47s | |
| 3m 15s | |
| 2m 47s | |
| 4m 30s | |
| 53m 59s |