BUG: replace na_rep for pd.NA values in to_string
#7304
| Job | Run time |
|---|---|
| 31m 30s | |
| 34m 7s | |
| 46m 50s | |
| 1h 13m 52s | |
| 58m 45s | |
| 1h 7m 49s | |
| 1h 5m 43s | |
| 1h 4m 31s | |
| 1h 21m 59s | |
| 1h 42m 12s | |
| 1h 24m 24s | |
| 1h 40m 22s | |
| 1h 13m 18s | |
| 3h 0m 16s | |
| 1h 0m 51s | |
| 1h 21m 43s | |
| 1h 28m 27s | |
| 11m 8s | |
| 55m 7s | |
| 1h 6m 22s | |
| 1h 49m 57s | |
| 1h 19m 49s | |
| 59m 57s | |
| 11m 24s | |
| 1d 4h 10m 23s |