Context Navigation

Changes between Initial Version and Version 1 of Ticket #28490, comment 6

initial	v1
11	11	return current if updated is None else updated
12	12	}}}
	13	5. So the simplification of the hasattr branch was valid, but the removal of the else branch to no longer check get_field doesn't throw before returning an error was not a refactor but a functionality altering change which makes this method return errors in cases where it used not to.