Changing Nginx NG to Check for Certificates

Still getting an error message when attempting to apply Nginx.NG

nginx/ng/certificates.sls

@@ -30,6 +30,7 @@ generate_nginx_dhparam_{{ dh_param }}_key:
 {%- endif %}
 {%- endfor %}
 
+{% if salt['pillar.get']('nginx:ng:certificates') is defined and salt['pillar.get']('nginx:ng:certificates') %}
 {%- for domain in salt['pillar.get']('nginx:ng:certificates', {}).keys() %}
 
 nginx_{{ domain }}_ssl_certificate:
@@ -51,3 +52,4 @@ nginx_{{ domain }}_ssl_key:
       - service: nginx_service
 {% endif %}
 {%- endfor %}
+{% endif %}