code: def testEmpty(self):
      input = []
      self.assertEqual(EffectiveDuration()(input), 0.0)
  
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 1 for calling the TestEffectiveDuration obj's underlying member method code with example usage: obj.testEmpty() without return types