code: def to_array(self):
          
          array = super(MaskPosition, self).to_array()
          array['point'] = u(self.point)  # py2: type unicode, py3: type str
  
          array['x_shift'] = float(self.x_shift)  # type float
          array['y_shift'] = float(self.y_shift)  # type float
          array['scale'] = float(self.scale)  # type float
          return array
docs: Serializes this MaskPosition to a dictionary.
  
          :return: dictionary representation of this object.
          :rtype: dict