Maya: renderman displays needs to be filtered

openpype/hosts/maya/api/lib_renderproducts.py

@@ -1093,6 +1093,11 @@ def get_render_products(self):
  if not enabled:
  continue
 
+ # Skip display types not producing any file output.
+ # Is there a better way to do it?
+ if not display_types.get(display["driverNode"]["type"]):
+ continue
+
  aov_name = name
  if aov_name == "rmanDefaultDisplay":
  aov_name = "beauty"