docs: improve doctests for ndarray instances in blas/ext/base/ndarray/scusumkbn2
#68838
| Job | Run time |
|---|---|
| 8s | |
| 8s |
blas/ext/base/ndarray/scusumkbn2
#68838
| Job | Run time |
|---|---|
| 8s | |
| 8s |