Invoke message inside a try..finally block to make sure cleanup happens even if message fails.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@20925 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/CMFActivity/ActivityTool.py

@@ -856,7 +856,9 @@ class ActivityTool (Folder, UniqueObject):
         old_ihotfix_context = False
         my_self = self
         LOG('CMFActivity.ActivityTool.invoke', INFO, 'Strange: invoke is called outside of acquisition context.')
+      try:
         message(my_self)
+      finally:
         if old_ihotfix_context is not False:
           # Restore iHotfix context
           id = get_ident()