Return connected users information and collect if not available.

def users_text(self):
        """Return connected users information and collect if not available."""
        if self._users_text is None:
            self.chain.connection.log("Getting connected users text")
            self._users_text = self.driver.get_users_text()
            if self._users_text:
                self.chain.connection.log("Users text collected")
            else:
                self.chain.connection.log("Users text not collected")
        return self._users_text