How to use test_multi_index_columns method in pandera

Best Python code snippet using pandera_python

test_explode.py

Source:test_explode.py Github

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...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 )...

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test_explode.pyi

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...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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