fixup! inventory: fix indexation when erp5_stock_cache is not installed

product/ERP5/Document/Inventory.py

@@ -335,9 +335,9 @@ class Inventory(Delivery):
            disable_cache=1, check_uid=0, disable_archive=disable_archive,
            immediate_reindex_archive=immediate_reindex_archive)
       method_id_list = ['z0_uncatalog_stock']
-      script_id = 'SQLCatalog_trimInventoryCacheOnCatalog'
-      if getattr(portal, script_id, None) is not None:
-        method_id_list.append(script_id)
+      if portal.portal_catalog.getSQLCatalog(sql_catalog_id) \
+         .hasObject('SQLCatalog_trimInventoryCacheOnCatalog'):
+        method_id_list.append('SQLCatalog_trimInventoryCacheOnCatalog')
       # Delete existing stock records and old inventory_cache first.
       portal.portal_catalog.catalogObjectList(
            stock_object_list[:], method_id_list=method_id_list, **kw)