docs: improve doctests for ndarray instances in blas/ext/base/ndarray/dcusumkbn
#29212
| Job | Run time |
|---|---|
| 2m 36s | |
| 2m 36s |
blas/ext/base/ndarray/dcusumkbn
#29212
| Job | Run time |
|---|---|
| 2m 36s | |
| 2m 36s |