code: def test_validate_axes_lengths_are_integers(self) -> None:
      axes_lengths: Dict[str, Any] = {"a": 1, "b": 2, "c": 3}
      pattern = "a b c -> c b a"
      left, right = parse_pattern(pattern, axes_lengths)
      validate_rearrange_expressions(left, right, axes_lengths)
  
      axes_lengths = {"a": 1, "b": 2, "c": MaliciousRepr()}
      left, right = parse_pattern(pattern, axes_lengths)
      with self.assertRaises(TypeError):
          validate_rearrange_expressions(left, right, axes_lengths)
  
imports: from typing import Any, Callable, Dict
  from unittest import mock
  from functorch.einops._parsing import AnonymousAxis, ParsedExpression, parse_pattern, validate_rearrange_expressions, _ellipsis
  from torch.testing._internal.common_utils import TestCase, run_tests
label_desc: Use image node_id 1 for calling the TestValidateRearrangeExpressions obj's underlying member method code with example usage: obj.test_validate_axes_lengths_are_integers() without return types