BUG: Fix unpickling of string dtypes of legacy pandas versions #24233
| Job | Run time |
|---|---|
| -1s | |
| 5m 19s | |
| 5m 41s | |
| 5m 19s | |
| 5m 37s | |
| 5m 34s | |
| 5m 24s | |
| 5m 21s | |
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| 5m 32s | |
| 5m 39s | |
| 5m 23s | |
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| 5m 37s | |
| 5m 32s | |
| 5m 20s | |
| 10m 3s | |
| 9m 35s | |
| 5m 13s | |
| 5m 27s | |
| 10m 6s | |
| 5m 17s | |
| 10m 3s | |
| 10m 6s | |
| 5m 18s | |
| 10m 5s | |
| 10m 2s | |
| 4m 59s | |
| 5m 20s | |
| 5m 21s | |
| 9m 42s | |
| 2m 16s | |
| 5m 17s | |
| 5m 19s | |
| 3h 31m 47s |