code: def vpn_status(self):
          
  
          # Start signal handler thread if it should be running
          if not self.check_pid and not self.thread_started:
              self._start_handler_thread()
  
          # Set color_bad as default output. Replaced if VPN active.
          name = None
          color = self.py3.COLOR_BAD
  
          # If we are acting like the default i3status module
          if self.check_pid:
              if self._check_pid():
                  name = "yes"
                  color = self.py3.COLOR_GOOD
  
          # Otherwise, find the VPN name, if it is active
          else:
              vpn = self._get_vpn_status()
              if vpn:
                  name = ", ".join(vpn)
                  color = self.py3.COLOR_GOOD
  
          # Format and create the response dict
          full_text = self.py3.safe_format(self.format, {"name": name})
          response = {
              "full_text": full_text,
              "color": color,
              "cached_until": self.py3.CACHE_FOREVER,
          }
  
          # Cache forever unless in check_pid mode
          if self.check_pid:
              response["cached_until"] = self.py3.time_in(self.cache_timeout)
          return response
docs: Returns response dict