code: def test_path_type_input_invalid(self):
      path_test = self.build_operands("ab,bc,cd,de->ae")
      exp_path = ["einsum_path", (2, 3), (0, 1)]
      assert_raises(
          RuntimeError, np.einsum, *path_test, optimize=exp_path
      )
      assert_raises(
          RuntimeError, np.einsum_path, *path_test, optimize=exp_path
      )
  
      path_test = self.build_operands("a,a,a->a")
      exp_path = ["einsum_path", (1,), (0, 1)]
      assert_raises(
          RuntimeError, np.einsum, *path_test, optimize=exp_path
      )
      assert_raises(
          RuntimeError, np.einsum_path, *path_test, optimize=exp_path
      )
  
imports: import functools
  import itertools
  from unittest import expectedFailure, skipIf, SkipTest
  import torch._numpy
  from pytest import raises
  from torch._numpy.testing import assert_, assert_allclose, assert_almost_equal, assert_array_equal, assert_equal, suppress_warnings
  from torch.testing._internal.common_utils import instantiate_parametrized_tests, parametrize, run_tests, TestCase
label_desc: Use image node_id 8 for calling the TestEinsumPath obj's underlying member method code with example usage: obj.test_path_type_input_invalid() without return types