code: def assert_element_absent(self, selector, by=By.CSS_SELECTOR,
                                timeout=settings.SMALL_TIMEOUT):
          
          if self.timeout_multiplier and timeout == settings.SMALL_TIMEOUT:
              timeout = self.__get_new_timeout(timeout)
          self.wait_for_element_absent(selector, by=by, timeout=timeout)
          return True
docs: Similar to wait_for_element_absent() - returns nothing.
              As above, will raise an exception if the element stays present.
              Returns True if successful. Default timeout = SMALL_TIMEOUT.