def stop_async_check_update(self):
		"""Method to give impression of stopping check for update.

		Currently does nothing but allows user to retry/stop blocking UI from
		hitting a refresh button. This does not actually stop the thread, as it
		will complete after the connection timeout regardless. If the thread
		does complete with a successful response, this will be still displayed
		on next UI refresh (ie no update, or update available).
		"""
		if self._check_thread is not None:
			self.print_verbose("Thread will end in normal course.")
			# however, "There is no direct kill method on a thread object."
			# better to let it run its course
			# self._check_thread.stop()
		self._async_checking = False
		self._error = None
		self._error_msg = None