docs: def make_store(name, min_length=4, **kwargs):
     """\
     Creates a store with a reasonable keygen.
  
     .. deprecated:: 2.0.0
        Instantiate stores directly e.g. ``shorten.MemoryStore(min_length=4)``
  
     """
    
     if name not in stores:
        raise ValueError('valid stores are {0}'.format(', '.join(stores)))
  
     if name == 'memcache':
        store = MemcacheStore
     elif name == 'memory':
        store = MemoryStore
     elif name == 'redis':
        store = RedisStore
  
     return store(min_length=min_length, **kwargs)