import pika
import json
credentials = pika.PlainCredentials('guest', 'guest',True)
parameters = pika.ConnectionParameters('44.221.204.9',
                                    33169,
                                    '/',
                                   credentials)
connection = pika.BlockingConnection(parameters)
channel = connection.channel()
def callback(ch, method, properties, body):
        data = body.decode()
        data = json.loads(body)
        print('data',data)
        
        return datas
channel.basic_consume(queue='ecritureOutTopic.ecritureOut-Group',on_message_callback=callback, auto_ack=False)
print('[*] En attente de messages. Pour quitter, appuyez sur CTRL+C')
channel.start_consuming()
connection.close()
--------------------
ERROR
Traceback (most recent call last):
  File "test.py", line 21, in 
    connection = pika.BlockingConnection(parameters)
  File "/home/odoo/.local/lib/python3.8/site-packages/pika/adapters/blocking_connection.py", line 360, in __init__
    self._impl = self._create_connection(parameters, _impl_class)
  File "/home/odoo/.local/lib/python3.8/site-packages/pika/adapters/blocking_connection.py", line 451, in _create_connection
    raise self._reap_last_connection_workflow_error(error)
pika.exceptions.AMQPConnectionError