Return public orders that are currently open.

        :param group: If set to True (default: False), orders with the same
            price are grouped.
        :type group: bool
        :return: Public orders currently open.
        :rtype: dict

def get_public_orders(self, group=False):
        """Return public orders that are currently open.

        :param group: If set to True (default: False), orders with the same
            price are grouped.
        :type group: bool
        :return: Public orders currently open.
        :rtype: dict
        """
        self._log('get public orders')
        return self._rest_client.get(
            endpoint='/order_book',
            params={'book': self.name, 'group': int(group)}
        )