fix gh-1843

[vtavana]

This PR fixes a mistake made in #1815 and address issue #1843

>>> import dpnp
>>> dpnp.linalg.pinv(dpnp.zeros((2,1,1), dtype="f4"))
# array([[[0.]],
#       [[0.]]], dtype=float32)

>>> a = dpnp.ones((2, 1, 1))
>>> a @ a
# array([[[1.]],
#       [[1.]]], dtype=float32)

• Have you provided a meaningful PR description?
• Have you added a test, reproducer or referred to issue with a reproducer?
• Have you tested your changes locally for CPU and GPU devices?
• Have you made sure that new changes do not introduce compiler warnings?
• Have you checked performance impact of proposed changes?
• If this PR is a work in progress, are you filing the PR as a draft?

[github-actions]

View rendered docs @ https://intelpython.github.io/dpnp/index.html

[antonwolfy]

Thank you @vtavana. The issue is gone now.