code: def data(self):
      return self._data
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import math
  from transform.base_converter import DeviceType
label_desc: Use image node_id 2 for calling the QuantizedData obj's underlying member method code with example usage: obj.data() and returns: self