def get_unique_connection_configs(config=None):
    """
    Returns a list of unique Redis connections from config
    """
    if config is None:
        from .settings import QUEUES

        config = QUEUES

    connection_configs = []
    for key, value in config.items():
        value = filter_connection_params(value)
        if value not in connection_configs:
            connection_configs.append(value)
    return connection_configs

    Returns a list of unique Redis connections from config
    
django_rq/queues.py