Description of problem:
when update the version of *sql-apb instance, it failed at 'Take down old deployment and pvc'

fatal: [localhost]: FAILED! => {"msg": "An unhandled exception occurred while running the lookup plugin 'template'. Error was a <class 'ansible.errors.AnsibleError'>, original message: the template file pvc.yaml could not be found for the lookup"}

Version-Release number of selected component (if applicable):
asb: 1.3.6
apb: v3.11.0-0.11.0.0

How reproducible:
always

Steps to Reproduce:
1. provision postgresql-apb , using version 9.6, dev plan
2. update to version 9.5 , still in dev plan.

Actual results:
2. update failed:
]# oc logs -f bundle-c9eed881-139d-4cde-949b-1422839e002c
DEPRECATED: APB playbooks should be stored at /opt/apb/project

PLAY [postgresql-apb update] ***************************************************

TASK [ansibleplaybookbundle.asb-modules : debug] *******************************
skipping: [localhost]

TASK [postgresql-apb : Update last operation] **********************************
changed: [localhost]

TASK [postgresql-apb : Set facts] **********************************************
ok: [localhost]

TASK [postgresql-apb : Backup database] ****************************************
changed: [localhost]

TASK [postgresql-apb : Rsync to APB] *******************************************
changed: [localhost]

TASK [postgresql-apb : Take down old deployment and pvc (if it exists)] ********
 [WARNING]: Unable to find 'pvc.yaml' in expected paths (use -vvvvv to see
paths)
fatal: [localhost]: FAILED! => {"msg": "An unhandled exception occurred while running the lookup plugin 'template'. Error was a <class 'ansible.errors.AnsibleError'>, original message: the template file pvc.yaml could not be found for the lookup"}

PLAY RECAP *********************************************************************
localhost                  : ok=4    changed=3    unreachable=0    failed=1 

Expected results:
upate succeed.

Additional info: