If _on_change_set is called with a None value for a XXX2Many field, the test designed to check for creations / updates raises an Exception because of missing parenthesis. issue4284 review10591002
If _on_change_set is called with a None value for a XXX2Many field, the test designed to check for creations / updates raises an Exception because of missing parenthesis. issue4284 review10591002