code: def testOneValue(self):
      gen = VectorInput([1])
      tcToTotal = sTCToTotal()
      p = Pool()
  
      gen.data >> tcToTotal.envelope
      tcToTotal.TCToTotal >> (p, "lowlevel.tctototal")
  
      self.assertRaises(RuntimeError, lambda: run(gen))
  
file_path: essentia/test/src/unittests/sfx/test_tctototal_streaming.py
imports: from essentia_test import *
  from essentia.streaming import TCToTotal
label_desc: Use image node_id 2 for calling the TestTCToTotal obj's underlying member method code with example usage: obj.testOneValue() without return types