def test_advanced():
    global FLATTEN
    FLATTEN = True

    assert IS_INSTANCE(int) is 1
    YES((1,), IS_INSTANCE(int), 1)
    YES((), IGNORE(IS_INSTANCE(int)), 1)
dataset/ETHPy150Open eallik/spinoff/spinoff/tests/test_pattern_matching.py/test_advanced/operator `==` -> `is`