.

software/ors-amarisoft/slaplte.jinja2

@@ -307,7 +307,7 @@
 {%-     for x in seen %}
 {%-       do ierror(x, "%s form a cycle via RU references" % seen)  %}
 {%-     endfor  %}
-{#-     XXX what to return ?                                            #}
+{{-     None | tojson }}
 {%-   else  %}
 {%-     do seen.append(cell_ref)  %}
 {%-     set ru = icell['_']['ru'] %}