Fix for a bug introduced by port references.
@@ -378,6 +378,10 @@ class ResolvePortRefs(object):
def _resolve_portref(ref):
return "{}.{}".format(v.actor, v.port)
+ # Exclude constant identifiee from processing
+ if type(node.arg) is ast.Id:
+ return
+
value = node.arg.value
if isinstance(value, dict):
for k, v in value.iteritems():
