code: def _assert_type_error(self, msg, generator, *args):
      with self.assertRaises(TypeError) as ctx:
          list(generator(*args))
      self.assertEqual(msg, str(ctx.exception))
  
imports: import difflib
  from test.support import findfile
  import unittest
  import doctest
  import sys
label_desc: Use image node_id 7 for calling the TestBytes obj's underlying member method code with example usage: obj._assert_type_error(msg, generator) without return types