code: def testThresholdRatioZero(self):
      input = [1] * 100
      self.assertAlmostEqual(
          EffectiveDuration(thresholdRatio=0.0)(input), 100 / 44100.0
      )
  
file_path: essentia/test/src/unittests/temporal/test_effectiveduration.py
imports: from essentia_test import *
  from random import randint
label_desc: Use image node_id 4 for calling the TestEffectiveDuration obj's underlying member method code with example usage: obj.testThresholdRatioZero() without return types