Use default in TypeVar so Series defaults to Series[Any], and Index to Index[Any]
#3101
| Job | Run time |
|---|---|
| 20s | |
| 5m 50s | |
| 3m 53s | |
| 3m 47s | |
| 4m 4s | |
| 3m 49s | |
| 6m 53s | |
| 7m 27s | |
| 3m 11s | |
| 2m 41s | |
| 3m 10s | |
| 2m 45s | |
| 6m 49s | |
| 54m 39s |