code: def test_read_no_chunks(self):
      b = b"SPAM"
      with self.assertRaises(EOFError):
          wave.open(io.BytesIO(b))
  
imports: import unittest
  from test import audiotests
  from test import support
  import io
  import struct
  import sys
  import wave
label_desc: Use image node_id 1 for calling the WaveLowLevelTest obj's underlying member method code with example usage: obj.test_read_no_chunks() without return types