code: def maybe_store_highlights(file_id, data, tfidf, kvlclient):
      '''wrapper around :func:`create_highlights` that stores the response
      payload in the `kvlayer` table called `highlights` as a stored
      value if data['store'] is `False`.  This allows error values as
      well as successful responses from :func:`create_highlights` to
      both get stored.
  
      '''
      payload = create_highlights(data, tfidf)
      if data['store'] is True:
          stored_payload = {}
          stored_payload.update(payload)
          stored_payload['state'] = STORED
          payload_str = json.dumps(stored_payload)
          kvlclient.put('highlights', (file_id, payload_str))
      return payloaf maybe_store_highlights(file_id, data, tfidf, kvlclient):
      '''wrapper around :func:`create_highlights` that stores the response
      payload in the `kvlayer` table called `highlights` as a stored
      value if data['store'] is `False`.  This allows error values as
      well as successful responses from :func:`create_highlights` to
      both get stored.
  
      '''
      payload = create_highlights(data, tfidf)
      if data['store'] is True:
          stored_payload = {}
          stored_payload.update(payload)
          stored_payload['state'] = STORED
          payload_str = json.dumps(stored_payload)
          kvlclient.put('highlights', (file_id, payload_str))
      return payload
docs: wrapper around :func:`create_highlights` that stores the response
      payload in the `kvlayer` table called `highlights` as a stored
      value if data['store'] is `False`.  This allows error values as
      well as successful responses from :func:`create_highlights` to
      both get stored.