Single trailing newline

template/{% if layout == 'parts' %}.env.example{% endif %}.jinja

@@ -1,3 +1,3 @@
 {% if parts %}COMPOSE_FILE=docker-compose.yml{% for part in parts %}:{{ part }}/docker-compose.override.yml{% endfor %}
 COMPOSE_PROFILES={% if 'backend' in parts %}external,{% endif %}services
-{% endif %}
+{% endif %}