docs: def re_authenticate(self, notify: bool=False) -> bool:
          """Authenticate again after failure.
             Keep trying with 10 sec interval. If called from the notify thread
             we will not have a timeout, but will end if the notify thread has
             been cancled.
             Will return True if authentication was successful.
            """
          timeout = datetime.now() + \
              timedelta(seconds=self.reauthenticatetimeout)
          while True:
              if self.authenticate():
                  return True
  
              if notify:
                  if not self._notifyrunning:
                      return False
              else:
                  if timeout and datetime.now() > timeout:
                      return False
              # wait before we try to authenticate again
              time.sleep(self.retryinterval)