code: def _series(self):
      _view = self.view(MaskedArray)
      _view._sharedmask = False
      return _view
  
imports: import numpy
  from numpy.lib.mixins import NDArrayOperatorsMixin
  from numpy.testing import assert_, assert_raises
  from numpy.ma.testutils import assert_equal
  from numpy.ma.core import array, arange, masked, MaskedArray, masked_array, log, add, hypot, divide, asarray, asanyarray, nomask
label_desc: Use image node_id 2 for calling the MSubArray obj's underlying member method code with example usage: obj._series() and returns: _view