def test_non_callable(self):
        with pytest.raises(TypeError) as excinfo:
            event.event(123)
        excinfo.match(r"Expected string, callable or None as first argument")

        with pytest.raises(TypeError) as excinfo:
            event.event("name")([])
        excinfo.match(r"Callable must be a function \(`def`\)"
                      r" or coroutine function \(`async def`\)")
def test_impl(n):
            df = pd.DataFrame({'A': np.arange(n), 'B': np.arange(n) + 1.0})
            df1 = df[df.A > 5]
            return len(df1.B)