-r RO-SDN-onos_vpls/requirements.in
-r RO-VIM-aws/requirements.in
-r RO-VIM-azure/requirements.in
--r RO-VIM-fos/requirements.in
--r RO-VIM-opennebula/requirements.in
-r RO-VIM-openstack/requirements.in
-r RO-VIM-openvim/requirements.in
-r RO-VIM-vmware/requirements.in
+-r RO-VIM-gcp/requirements.in
+
+pyyaml<6