maas task referencing swift_proxy ansible inventory group

gistfile1.txt

TASK [rpc_maas : Create a keystone user for swift filecheck] *******************
fatal: [573970-infra01]: FAILED! => {"failed": true, "msg": "The conditional check 'inventory_hostname == groups['swift_proxy'][0]' failed. The error was: error while evaluating conditional (inventory_hostname == groups['swift_proxy'][0]): list obj
ect has no element 0\n\nThe error appears to have been in '/opt/rpc-openstack/rpcd/playbooks/roles/rpc_maas/tasks/main.yml': line 48, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears t
o be:\n\n\n- include: swift_access_check.yml\n  ^ here\n"}
fatal: [578083-storage03]: FAILED! => {"failed": true, "msg": "The conditional check 'inventory_hostname == groups['swift_proxy'][0]' failed. The error was: error while evaluating conditional (inventory_hostname == groups['swift_proxy'][0]): list o
bject has no element 0\n\nThe error appears to have been in '/opt/rpc-openstack/rpcd/playbooks/roles/rpc_maas/tasks/main.yml': line 48, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears
 to be:\n\n\n- include: swift_access_check.yml\n  ^ here\n"}