def test_append_poly_data_input(self):
        a = tvtk.AppendPolyData()
        self.assertEqual(hasattr(a, 'get_input'), True)
        self.assertEqual(a.input, None)
Test if AppendPolyData has its get_input wrapped right.
dataset/ETHPy150Open enthought/mayavi/tvtk/tests/test_tvtk.py/TestTVTK.test_append_poly_data_input