docs: improve doctests for ndarray instances in blas/ext/base/ndarray/scusumkbn2
#30741
| Job | Run time |
|---|---|
| 1m 9s | |
| 1m 9s |
blas/ext/base/ndarray/scusumkbn2
#30741
| Job | Run time |
|---|---|
| 1m 9s | |
| 1m 9s |