python3-pygobject already in oe-core, previously,
we have python-pygobject in meta-oe, but recently, in order
to drop python2, we transfer python-pygobject to
python3-pygobject, so duplicated with oe-core, meantime,
this will cause test_signature failure when do yocto-check-layer
for layer meta-oe.
Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>