def del_acl_method(self, method_name):
if self.allowed_methods is None:<EOL><INDENT>raise ValueError(<EOL>"<STR_LIT>"<EOL>+ "<STR_LIT>"<EOL>+ "<STR_LIT>"<EOL>)<EOL><DEDENT>self.allowed_methods.remove(method_name)<EOL>
ACL system: ensure the user will not have access to that method.