BUG: fix error when unstacking with sort=False when indexes contains NA
#25773
| Job | Run time |
|---|---|
| 25m 45s | |
| 25m 58s | |
| 23m 3s | |
| 25m 45s | |
| 25m 46s | |
| 26m 42s | |
| 18m 39s | |
| 23m 51s | |
| 25m 57s | |
| 25m 51s | |
| 26m 23s | |
| 26m 27s | |
| 25m 54s | |
| 22m 3s | |
| 25m 54s | |
| 21m 37s | |
| 25m 48s | |
| 15m 27s | |
| 25m 51s | |
| 17m 25s | |
| 21m 36s | |
| 30m 30s | |
| 26m 0s | |
| 30m 30s | |
| 30m 30s | |
| 30m 30s | |
| 22m 28s | |
| 24m 42s | |
| 25m 49s | |
| 6m 38s | |
| 25m 56s | |
| 12h 35m 15s |