def test_capture_no_sys(): 

       capsys = py.io.StdCapture()

       try:

           cap = py.io.StdCaptureFD(patchsys=False)

           print >>sys.stdout, "hello"

           print >>sys.stderr, "world"

           os.write(1, "1")

           os.write(2, "2")

           out, err = cap.reset()

           assert out == "1"

           assert err == "2"

       finally:

->         capsys.reset()