GH-49295: [Python] Remove "mimalloc" from mandatory_backends (#49645)
#10434
| Job | Run time |
|---|---|
| 35m 27s | |
| 35m 27s |
mandatory_backends (#49645)
#10434
| Job | Run time |
|---|---|
| 35m 27s | |
| 35m 27s |