numpy.ma.MaskedArray.__deepcopy__
method
- 
MaskedArray.__deepcopy__(memo, /) → Deep copy of array.[source]
- 
Used if copy.deepcopyis called on an array.
    © 2005–2019 NumPy Developers
Licensed under the 3-clause BSD License.
    https://docs.scipy.org/doc/numpy-1.16.1/reference/generated/numpy.ma.MaskedArray.__deepcopy__.html