code: def check_malloc_without_gil(self, code):
      out = self.check(code)
      expected = (
          "Fatal Python error: _PyMem_DebugMalloc: "
          "Python memory allocator called without holding the GIL"
      )
      self.assertIn(expected, out)
  
imports: import re
  import textwrap
  import unittest
  from test import support
  from test.support import import_helper, requires_subprocess
  from test.support.script_helper import assert_python_failure, assert_python_ok
label_desc: Use image node_id 4 for calling the PyMemDebugTests obj's underlying member method code with example usage: obj.check_malloc_without_gil(code) without return types