docs: improve doctests for ndarray instances in blas/ext/find-last-index
#5315
| Job | Run time |
|---|---|
| 1m 24s | |
| 1m 24s |
blas/ext/find-last-index
#5315
| Job | Run time |
|---|---|
| 1m 24s | |
| 1m 24s |