docstr: Save to save_path
  :param sess: active session
  :param save_path: full path to save checkpoint (typically directory plus checkpoint prefix plus self.path)
  :return: list of all saved paths
docstr_tok: ["Save","to","save_path",":","param","sess",":","active","session",":","param","save_path",":","full","path","to","save","checkpoint","(","typically","directory","plus","checkpoint","prefix","plus","self.path",")",":","return",":","list","of","all","saved","paths"]
code: def save(self, sess: None, save_path: str) -> List[str]:
      """
      Save to save_path
      :param sess: active session
      :param save_path: full path to save checkpoint (typically directory plus checkpoint prefix plus self.path)
      :return: list of all saved paths
      """
      save_path = self._saver.save(sess, save_path)
      return [save_path]
  
file_path: coach/rl_coach/architectures/tensorflow_components/savers.py
imports: import pickle
  from typing import Any, List, Dict
  import tensorflow
  import numpy
  from rl_coach.saver import Saver
label_desc: Use image node_id 3 for calling the GlobalVariableSaver obj's underlying member method code with example usage: obj.save(sess, save_path) and returns: list