SciPy

We run doctests on a CI environment with many packages installed:

https://github.com/dask/dask/blob/a87236041ff223363698f65c5b7c153415a41259/.github/workflows/additional.yml#L80:L104

So we probably don't need to skip as many as we do (grep for # doctest: +SKIP).

What's wrong?

Description of the desired feature

The spacing parameter of the rolling_window function controls the distance between the center of two adjacent windows.
Nevertheless, the docstring reads:

    spacing : float, tuple = (s_north, s_east), or None
        The window size in the South-North and West-East directions,
        respectively. A single value means that the size is equal