def add_on_connection_blocked_callback(self, callback_method):
        self._impl.add_on_connection_blocked_callback(
            functools.partial(self._on_connection_blocked, callback_method))
Add a callback to be notified when RabbitMQ has sent a
dataset/ETHPy150Open pika/pika/pika/adapters/blocking_connection.py/BlockingConnection.add_on_connection_blocked_callback