code: def test_float_str_scalar(self):
      self._ending_tester("1.0", float, ValueRange(1.0, 1.0, 0.0))
  
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 9 for calling the TestValueRange obj's underlying member method code with example usage: obj.test_float_str_scalar() without return types