code: def get_gutter_client(
          alias='default',
          cache=CLIENT_CACHE,
          **kwargs
  ):
      
      from gutter.client.models import Manager
  
      if not alias:
          return Manager(**kwargs)
      elif alias not in cache:
          cache[alias] = Manager(**kwargs)
  
      return cache[alias]
docs: Creates gutter clients and memoizes them in a registry for future quick access.
  
      Args:
          alias (str or None): Name of the client. Used for caching.
              If name is falsy then do not use the cache.
          cache (dict): cache to store gutter managers in.
          **kwargs: kwargs to be passed the Manger class.
  
      Returns (Manager):
          A gutter client.