docs: def delete_cookie(self, cookie_name=None):
          """
          Create a cookie that will immediately expire when it hits the other
          side.
  
          :param cookie_name: Name of the cookie
          :return: A tuple to be added to headers
          """
          if cookie_name is None:
              cookie_name = self.default_value['name']
  
          return self.create_cookie("", "", cookie_name=cookie_name, kill=True)