'Response.iter_lines() is not reentrant safe'

@pytest.mark.xfail
def test_response_iter_lines_reentrant(self, httpbin):

    r = requests.get(httpbin('stream/4'), stream=True)
    assert (r.status_code == 200)
    next(r.iter_lines())
    assert (len(list(r.iter_lines())) == 3)
