code: def testThreeChordsFalse(self):
      self.assertValidSequence(self.runAlg(useThreeChords=False))
  
file_path: essentia/test/src/unittests/tonal/test_key.py
imports: from essentia_test import *
label_desc: Use image node_id 8 for calling the TestKey obj's underlying member method code with example usage: obj.testThreeChordsFalse() without return types