human
Solve the following python programming problem given the following code:
def create_connection_closed_cb(connection) : 
    def connection_closed_cb() : 
        message = 'AMQP broker connection closed.
close-info: {0}'.format (connection.close_info) 
        logger.warning (message) 
return connection 

    
    

    Fix the buggy line: return connection
assistant
#Here is Python program to fix the buggy line: return connection
.

return def connection_closed_cb(