code: def __refresh_versions(self):
      response = self.__api_GET(
          "version", print_info="Fetching versions"
      )
      if response:
          self.__versions = {}
          for version in response:
              self.get_versions()[version["version"]] = version
  
imports: import json
  import os
  from requests.auth import HTTPBasicAuth
  import requests
label_desc: Use image node_id 7 for calling the ReadMeSession obj's underlying member method code with example usage: obj.__refresh_versions() without return types