@property<EOL><INDENT>def legacy_host(self):<DEDENT>
if self.is_sandbox:<EOL><INDENT>return "<STR_LIT>"<EOL><DEDENT>return "<STR_LIT>"<EOL>
Setting endpoints for REST notifications is not supported by the
        latest version of the AWS MTurk API, and this is the endpoint boto3
        communicates with. As a workaround, we use the old endpoint for this
        one feature.