code: def testVacuous(self):
      with timer.Timer() as t:
          pass
      print("Time consuming stuff took %f seconds." % t.GetDuration())
  
imports: from absl.testing import absltest
  from deepvariant.vendor import timer
label_desc: Use image node_id 1 for calling the TimerTest obj's underlying member method code with example usage: obj.testVacuous() without return types