'Fail silently when the array index is out of range.'

@setup({'numpy-array-index02': '{{    var.5    }}'})
def test_numpy_array_index02(self):

    output = self.engine.render_to_string('numpy-array-index02', {'var': numpy.array(['first    item', 'second    item'])})
    if self.engine.string_if_invalid:
        self.assertEqual(output, 'INVALID')
    else:
        self.assertEqual(output, '')
