code: def retrieve(sha1, **kwargs):
      """
      Retrieve the most up-to-date copy of the plot-schema wrt the given hash.
  
      :param (str) sha1: The last-known hash of the plot-schema (or '').
      :returns: (requests.Response) Returns response directly from requests.
  
      """
      url = build_url(RESOURCE)
      params = make_params(sha1=sha1)
      return request("get", url, params=params, **kwargs)
  
label_desc: Use image node_id 1 for calling a global function with example usage: retrieve(sha1) and returns: request