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How to use test_multi_index_columns method in pandera

Best Python code snippet using pandera_python

test_explode.py

Source:test_explode.py

...51            "B": 1,52        }53    )54    tm.assert_frame_equal(result, expected)55def test_multi_index_columns():56    df = pd.DataFrame(57        {("A", 1): np.array([[0, 1, 2], np.nan, [], (3, 4)], dtype=object), ("A", 2): 1}58    )59    result = df.explode(("A", 1))60    expected = pd.DataFrame(61        {62            ("A", 1): pd.Series(63                [0, 1, 2, np.nan, np.nan, 3, 4],64                index=pd.Index([0, 0, 0, 1, 2, 3, 3]),65                dtype=object,66            ),67            ("A", 2): 1,68        }69    )...

test_explode.pyi

Source:test_explode.pyi

...6def test_basic() -> None:7    ...8def test_multi_index_rows() -> None:9    ...10def test_multi_index_columns() -> None:11    ...12def test_usecase() -> None:...

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