Missing import for gnomekeyring
Missing import for gnomekeyring

follow on to previous attempt to fix to bug 1116302,
looks like we missed an import

Fixes LP#1116302

Change-Id: If56e3cedaa63a594907bb851a2701bd64806ed85

guptaankita/python-novaclient,CCI-MOC/python-novaclient,metacloud/python-novaclient,takeshineshiro/python-novaclient,JioCloud/python-novaclient,mat128/python-novaclient,guptaankita/python-novaclient,Shihta/python-novaclient,ntt-sic/python-novaclient,akash1808/python-novaclient,takeshineshiro/python-novaclient,mat128/python-novaclient,CCI-MOC/python-novaclient,citrix-openstack-build/python-novaclient,metacloud/python-novaclient,citrix-openstack-build/python-novaclient,akash1808/python-novaclient,JioCloud/python-novaclient,Shihta/python-novaclient,ntt-sic/python-novaclient