error when creating simple tenant

[Hemakuma]

I have a playbook just to create a simple tenant. Tenant is created but i get the following error. Note i am not configuring any L3out.

inventory file

fabric01:
  hosts:
    apic:
      apic_host: 10.114.217.xx
      apic_username: admin
      apic_password: xxxxxx
  vars:
    apic_use_proxy: no
    apic_validate_certs: no

    aci_topology:
      tenant:
      - name: Example99
        description: Example99

Playbook

- name: Configuring APIC
  hosts: apic
  gather_facts: no
  roles:
    - role: datacenter.aci-model
      aci_model_data: "{{ aci_topology }}"

TASK [datacenter.aci-model : Associate BDs to l3outs] **************************************************
task path: /Users/hemakuma/.ansible/roles/datacenter.aci-model/tasks/main-json.yml:116
ERROR! Unexpected Exception, this is probably a bug: 'access_policy'
the full traceback was:

Traceback (most recent call last):
  File "/usr/local/bin/ansible-playbook", line 106, in <module>
    exit_code = cli.run()
  File "/usr/local/lib/python2.7/site-packages/ansible/cli/playbook.py", line 130, in run
    results = pbex.run()
  File "/usr/local/lib/python2.7/site-packages/ansible/executor/playbook_executor.py", line 154, in run
    result = self._tqm.run(play=play)
  File "/usr/local/lib/python2.7/site-packages/ansible/executor/task_queue_manager.py", line 292, in run
    play_return = strategy.run(iterator, play_context)
  File "/usr/local/lib/python2.7/site-packages/ansible/plugins/strategy/linear.py", line 248, in run
    task_vars = self._variable_manager.get_vars(play=iterator._play, host=host, task=task)
  File "/usr/local/lib/python2.7/site-packages/ansible/vars/manager.py", line 440, in get_vars
    all_vars['ansible_delegated_vars'] = self._get_delegated_vars(play, task, all_vars)
  File "/usr/local/lib/python2.7/site-packages/ansible/vars/manager.py", line 509, in _get_delegated_vars
    loader=self._loader, fail_on_undefined=True, convert_bare=False)
  File "/usr/local/lib/python2.7/site-packages/ansible/utils/listify.py", line 34, in listify_lookup_plugin_terms
    terms = templar.template(terms.strip(), convert_bare=convert_bare, fail_on_undefined=fail_on_undefined)
  File "/usr/local/lib/python2.7/site-packages/ansible/template/__init__.py", line 450, in template
    disable_lookups=disable_lookups,
  File "/usr/local/lib/python2.7/site-packages/ansible/template/__init__.py", line 672, in do_template
    res = j2_concat(rf)
  File "<template>", line 12, in root
  File "/Users/hemakuma/.ansible/roles/datacenter.aci-model/plugins/filter/aci.py", line 8, in listify
    return listify_worker(d, keys, 0, [], {}, '')
  File "/Users/hemakuma/.ansible/roles/datacenter.aci-model/plugins/filter/aci.py", line 13, in listify_worker
    for item in d[keys[depth]]: