code: def test_logical_ops_categorical_columns(self):
      # GH#38367
      intervals = [Interval(1, 2), Interval(3, 4)]
      data = DataFrame(
          [[1, np.nan], [2, np.nan]],
          columns=CategoricalIndex(
              intervals, categories=intervals + [Interval(5, 6)]
          ),
      )
      mask = DataFrame(
          [[False, False], [False, False]],
          columns=data.columns,
          dtype=bool,
      )
      result = mask | isnull(data)
      expected = DataFrame(
          [[False, True], [False, True]],
          columns=CategoricalIndex(
              intervals, categories=intervals + [Interval(5, 6)]
          ),
      )
      tm.assert_frame_equal(result, expected)
  
file_path: pandas/pandas/tests/frame/test_logical_ops.py
imports: import operator
  import re
  import numpy
  import pytest
  from pandas import CategoricalIndex, DataFrame, Interval, Series, isnull
  import pandas._testing
label_desc: Use image node_id 8 for calling the TestDataFrameLogicalOperators obj's underlying member method code with example usage: obj.test_logical_ops_categorical_columns() without return types