docs: def get_scrim(path=None, auto_write=None, shell=None, script=None, cache={}):
      '''Get a :class:`Scrim` instance. Each instance is cached so if you call
      get_scrim again with the same arguments you get the same instance.
  
      See also:
          :class:`Scrim`
      '''
  
      args = (path, auto_write, shell, script)
      if args not in cache:
          cache[args] = Scrim(*args)
      return cache[args]