code: def test_get_loc_cast_bool(self, dtype):
      # GH 19086 : int is casted to bool, but not vice-versa (for object dtype)
      #  With bool dtype, we don't cast in either direction.
      levels = [
          Index([False, True], dtype=dtype),
          np.arange(2, dtype="int64"),
      ]
      idx = MultiIndex.from_product(levels)
  
      if dtype is bool:
          with pytest.raises(KeyError, match=r"^\(0, 1\)$"):
              assert idx.get_loc((0, 1)) == 1
          with pytest.raises(KeyError, match=r"^\(1, 0\)$"):
              assert idx.get_loc((1, 0)) == 2
      else:
          # We use python object comparisons, which treat 0 == False and 1 == True
          assert idx.get_loc((0, 1)) == 1
          assert idx.get_loc((1, 0)) == 2
  
      with pytest.raises(KeyError, match=r"^\(False, True\)$"):
          idx.get_loc((False, True))
      with pytest.raises(KeyError, match=r"^\(True, False\)$"):
          idx.get_loc((True, False))
  
imports: from datetime import timedelta
  import re
  import numpy
  import pytest
  from pandas._libs import index
  from pandas.errors import InvalidIndexError, PerformanceWarning
  import pandas
  from pandas import Categorical, DataFrame, Index, MultiIndex, date_range
  import pandas._testing
label_desc: Use image node_id 6 for calling the TestGetLoc obj's underlying member method code with example usage: obj.test_get_loc_cast_bool(dtype) without return types