Add newlines.

roles/fedmsg/base/templates/policy.py.j2

@@ -223,7 +223,8 @@ config = dict(
         {% for topic, certs in groups['all'] | invert_fedmsg_policy(hostvars) %}
         "{{topic}}": [
         {% for cert in certs %}
-            "{{ cert }}",{% endfor %}
+            "{{ cert }}",
+        {% endfor %}
         ],
         {% endfor %}
         {% endif %}