code: def test_int_half(self):
      self._ending_tester(
          ValueRange(10000, 30000, 10000), 0.4, 0.6, 8000, 32000
      )
  
imports: import unittest
  import numpy
  import tensorflow
  from deepspeech_training.util.helpers import ValueRange, get_value_range, pick_value_from_range, tf_pick_value_from_range
label_desc: Use image node_id 4 for calling the TestPickValueFromRandomizedRange obj's underlying member method code with example usage: obj.test_int_half() without return types