code: def __init__(self):
      self._data = None
      self._scale = 0
      self._zero = 0
      self._minval = 0.0
      self._maxval = 0.0
  
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 1 to create a new QuantizedData object from inherited base classes: object with example: obj = QuantizedData()