code: def wait_for_element_to_disappear(self, locator, params=None, timeout=None):
          
          exp_cond = eec.invisibility_of if isinstance(locator, WebElement) else ec.invisibility_of_element_located
          try:
              self._get(locator, exp_cond, params, timeout, error_msg="Element never disappeared")
          except (StaleElementReferenceException, NoSuchElementException):
              return True
docs: Waits until the element is not visible (hidden) or no longer attached to the DOM.
  
          Raises TimeoutException if element does not become invisible.
  
          :param locator: locator tuple or WebElement instance
          :param params: (optional) locator params
          :param timeout: (optional) time to wait for element (default: self._explicit_wait)
          :return: None