code: def copy(self):
      return self._with_data(self.data.copy(), copy=True)
  
imports: import numpy
  from .base import spmatrix, _ufuncs_with_fixed_point_at_zero
  from .sputils import isscalarlike, validateaxis, matrix
label_desc: Use image node_id 14 for calling the _data_matrix obj's underlying member method code with example usage: obj.copy() and returns: self