code: def testBoolParsing(self):
      for value in "true", "false", "True", "False", "1", "0":
          for initial in False, True:
              hparams = hparam.HParams(use_gpu=initial)
              hparams.parse("use_gpu=" + value)
              self.assertEqual(
                  hparams.use_gpu, value in ["True", "true", "1"]
              )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensor2tensor.utils import hparam
  import tensorflow.compat.v1
label_desc: Use image node_id 7 for calling the HParamsTest obj's underlying member method code with example usage: obj.testBoolParsing() without return types