pytest print in finalizer 2

_output.txt

➜  t2  py.test tests.py   
============================= test session starts =============================
platform linux -- Python 3.4.3 -- py-1.4.30 -- pytest-2.7.2
rootdir: /tmp/t2, inifile: 
collected 2 items 

tests.py .F

================================== FAILURES ===================================
______________________________ test_should_fail _______________________________

print_after = None

    def test_should_fail(print_after):
        print('test, should fail ' + str(time.time()))
>       assert False
E       assert False

tests.py:9: AssertionError
---------------------------- Captured stdout call -----------------------------
test, should fail 1435575320.4597855
after test 1435575320.4598296
===================== 1 failed, 1 passed in 0.01 seconds ======================

conftest.py

import time
import pytest

def pytest_runtest_call(item):
    try:
        item.runtest()
    finally:
        if hasattr(item, "_request"):
            if hasattr(item._request, "run_after"):
                item._request.run_after()


@pytest.fixture
def print_after(request):
    def print_message():
        print ("after test " + str(time.time()))
    request._parent_request.run_after = print_message

tests.py

import time

def test_should_pass(print_after):
    print('test, should pass ' + str(time.time()))
    assert True

def test_should_fail(print_after):
    print('test, should fail ' + str(time.time()))
    assert False