def send_email(self, source, subject, body, destinations):
        recipient_count = sum(map(len, destinations.values()))
        if recipient_count > RECIPIENT_LIMIT:
            raise MessageRejectedError('Too many recipients.')
        if not self._is_verified_address(source):
            raise MessageRejectedError(
                source % "Email address not verified %s"
            )

        message_id = get_random_message_id()
        message = Message(message_id)
        self.sent_message_count += recipient_count
        return message
dataset/ETHPy150Open spulec/moto/moto/ses/models.py/SESBackend.send_email/swapped operands of `%`