Sphinx: unexpected indentation in docstring of diff

[oleksandr-pavlyk]

reading sources... [100%] user_guides/index
/home/opavlyk/mamba/envs/b_dpctl_docs/lib/python3.12/site-packages/dpctl/tensor/_utility_functions.py:docstring of dpctl.tensor._utility_functions.diff:28: ERROR: Unexpected indentation.