code: def simple_value(summary_value):
      """Returns the scalar parsed from the summary proto tensor_value bytes."""
  
      return struct.unpack("<f", summary_value.tensor.tensor_content)[0]
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import struct
  from absl.testing import parameterized
  from adanet import tf_compat
  from adanet.core import testing_utils
  from adanet.core.summary import _ScopedSummaryV2
  import tensorflow.compat.v2
  from tensorflow.python.eager import context
  from tensorflow.python.framework import test_util
label_desc: Use image node_id 1 for calling a global function with example usage: simple_value(summary_value) and returns: struct