code: def get_unique_connection_configs(config=None):
      
      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
docs: Returns a list of unique Redis connections from config