-Upgrade from python-py_1.6.0.bb to python-py_1.8.0.bb. -Upgrade from python3-py_1.6.0.bb to python3-py_1.8.0.bb. Signed-off-by: Zang Ruochen <zangrc.fnst@cn.fujitsu.com> Signed-off-by: Khem Raj <raj.khem@gmail.com>