code: def _get_bufferview_byte_length(self, bufferViewID):
      return parserUtils.none_to_zero(
          self.bufferViews[bufferViewID].byteLength
      )
  
imports: from __future__ import print_function
  import os
  import sys
  import json
  import vray
  from .None import parserUtils
  from .None import cameraUtils
  import numpy
  from tempfile import mkstemp
  import math
  import pyquaternion
  import base64
  from ..None import testUtils
label_desc: Use image node_id 9 for calling the GltfParser obj's underlying member method code with example usage: obj._get_bufferview_byte_length(bufferViewID) and returns: parserUtils