code: def test_getitem_error(self):
      a = []
      msg = "list indices must be integers or slices"
      with self.assertRaisesRegex(TypeError, msg):
          a["a"]
  
imports: import sys
  from functools import cmp_to_key
  from test import seq_tests
  from test.support import ALWAYS_EQ, NEVER_EQ, Py_C_RECURSION_LIMIT
label_desc: Use image node_id 2 for calling the CommonTest obj's underlying member method code with example usage: obj.test_getitem_error() without return types