code: def _assign_and_check_version_0(self, user_type):
      type_modified(user_type)
      type_assign_specific_version_unsafe(user_type, 0)
      self.assertEqual(type_get_version(user_type), 0)
  
imports: import unittest
  import dis
  from test import support
  from test.support import import_helper
label_desc: Use image node_id 3 for calling the TypeCacheWithSpecializationTests obj's underlying member method code with example usage: obj._assign_and_check_version_0(user_type) without return types