code: def testEmpty(self):
      self.assertEqualVector(EqualLoudness()([]), [])
  
file_path: essentia/test/src/unittests/filters/test_equalloudness.py
imports: from essentia_test import *
label_desc: Use image node_id 2 for calling the TestEqualLoudness obj's underlying member method code with example usage: obj.testEmpty() without return types