code: def test_read_after_close(self):
      samplerate = 0  # use native samplerate
      hop_size = 256
      f = source(default_test_sound, samplerate, hop_size)
      read, frames = f()
      f.close()
      with assert_raises(RuntimeError):
          read, frames = f()
      with assert_raises(RuntimeError):
          read, frames = f.do_multi()
  
imports: from numpy.testing import TestCase, assert_equal
  from aubio import source
  from utils import list_all_sounds, parse_file_samplerate
  import unittest
  from _tools import assert_raises, assert_equal, assert_warns
  from _tools import parametrize, skipTest
label_desc: Use image node_id 4 for calling the Test_aubio_source_test_case obj's underlying member method code with example usage: obj.test_read_after_close() without return types