code: def setUp(self):
      self.source = samples["sweep.wav"]
  
imports: import os.path
  import unittest
  from unit_timeside import TestRunner
  from test_decoding import TestDecoding, samples
  from timeside.core.processor import ProcessPipe
  from timeside.plugins.decoder.aubio import AubioDecoder
label_desc: Use image node_id 1 for calling the TestDecodingSegmentBadParameters obj's underlying member method code with example usage: obj.setUp() without return types