BUG: Avoid copying categorical codes if copy=False
#50292
| Job | Run time |
|---|---|
| 2m 42s | |
| 20m 33s | |
| 1m 50s | |
| 15m 41s | |
| 40m 46s |
copy=False
#50292
| Job | Run time |
|---|---|
| 2m 42s | |
| 20m 33s | |
| 1m 50s | |
| 15m 41s | |
| 40m 46s |