Looping through Ansible/YAML dict for Django configuration

configuration.py

# Ansible managed
DATE_FORMAT = "N j, Y"
BANNER_BOTTOM = "Your banner text"
LOGIN_REQUIRED = True
MAX_PAGE_SIZE = 500
PREFER_IPV4 = False
PAGINATE_COUNT = 100
BASE_PATH = "netbox/"
TIME_ZONE = "UTC"
ADMINS = [
    [
        "Hank Hill", 
        "[email protected]"
    ], 
    [
        "Dale Gribble", 
        "[email protected]"
    ]
]
BANNER_TOP = "Your banner text"
MAINTENANCE_MODE = False
DEBUG = True
ALLOWED_HOSTS = [
    "127.0.0.1", 
    "localhost"
]
SECRET_KEY = "fmn97pa3thli3uawhtoiantg3a"
CORS_ORIGIN_ALLOW_ALL = False
SHORT_DATE_FORMAT = "Y-m-d"
EMAIL = {
    "FROM_EMAIL": "notifications@localhost", 
    "PASSWORD": "password", 
    "PORT": 25, 
    "SERVER": "localhost", 
    "TIMEOUT": 10, 
    "USERNAME": "user@localhost"
}

configuration.py.j2

# {{ ansible_managed }}
{% for setting, value in netbox_config.iteritems() %}
{% if value in [True, False] %}
{{ setting }} = {{ 'True' if value else 'False' }}
{% else %}
{{ setting }} = {{ value | to_nice_json }}
{% endif %}
{% endfor %}

execution.log

]$ ansible-playbook -i localhost, template_configuration.yml 

PLAY [localhost] ******************************************************************************************************************************************************************************************************************************

TASK [Generate LDAP configuration for NetBox if enabled] **************************************************************************************************************************************************************************************
changed: [localhost]

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

template_configuration.yml

---
- hosts: localhost
  connection: local
  gather_facts: False
  tasks:
    - name: Generate LDAP configuration for NetBox if enabled
      template:
        src: "templates/configuration.py.j2"
        dest: "/tmp/configuration.py"
  vars:
    netbox_config:
      SECRET_KEY: "fmn97pa3thli3uawhtoiantg3a"
      ALLOWED_HOSTS:
        - 127.0.0.1
        - localhost
      ADMINS:
        -
          - Hank Hill
          - [email protected]
        -
          - Dale Gribble
          - [email protected]
      BANNER_TOP: &BANNER_TOP 'Your banner text'
      BANNER_BOTTOM: *BANNER_TOP
      BASE_PATH: netbox/
      CORS_ORIGIN_ALLOW_ALL: no
      DEBUG: yes
      EMAIL:
        SERVER: localhost
        PORT: 25
        USERNAME: user@localhost
        PASSWORD: password
        TIMEOUT: 10
        FROM_EMAIL: notifications@localhost
      LOGIN_REQUIRED: True
      MAINTENANCE_MODE: false
      MAX_PAGE_SIZE: 500
      PAGINATE_COUNT: 100
      PREFER_IPV4: no
      TIME_ZONE: UTC
      DATE_FORMAT: N j, Y
      SHORT_DATE_FORMAT: Y-m-d