# Numpy?
py:obj NDData
py:class NDDataRef
py:class NDDataArray
py:obj NDDataRef
py:obj NDDataArray
py:class any type
# Raised by core Python code
py:class D[k] if k in D, else d.  d defaults to None.
py:class a set-like object providing a view on D's items
py:class a set-like object providing a view on D's keys
py:class an object providing a view on D's values
py:class D[k] if k in D, else d.  d defaults to None.
py:class a set-like object providing a view on D's items
py:class a set-like object providing a view on D's keys
py:class an object providing a view on D's values
py:class None.  Remove all items from D.
py:class a shallow copy of D
py:class v, remove specified key and return the corresponding value.
py:class None.  Update D from mapping/iterable E and F.
# Comes from astropy? psf
py:obj ndarray
