The dask.delayed decorator should have type annotations.

from dask import delayed

@delayed(pure=True)
def well_typed_function() -> int:
    return 1

mypy: Untyped decorator makes function "well_typed_function" untyped

Ideally, the type of delayed would be something like

from typing import TypeVar
from dask.delayed import Delayed

T = TypeVar("T")

delayed(o

• What's your use case?

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