check_sanity() no longer needs the subprocess module but
sanity_handle_abichanges() does use subprocess.call().
(From OE-Core rev: 469b53fb3bb94c7e5e9fb53d07cec2292b13c87d)
Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>