code: def tearDown(self):
      decoder = FileDecoder(self.source)
      (decoder | self.analyzer).run()
      results = self.analyzer.results
  
file_path: TimeSide/tests/test_aubio_mfcc.py
imports: import unittest
  from unit_timeside import TestRunner
  from timeside.core.tools.test_samples import samples
  from timeside.core import get_processor
label_desc: Use image node_id 4 for calling the TestAubioMfcc obj's underlying member method code with example usage: obj.tearDown() without return types