fix: Output correct dtype for mean_horizontal on a single column
#6564
| Job | Run time |
|---|---|
| 1m 36s | |
| 1m 28s | |
| 3m 4s |
mean_horizontal on a single column
#6564
| Job | Run time |
|---|---|
| 1m 36s | |
| 1m 28s | |
| 3m 4s |