docs: def active(self, date="", page=1, page_size=1000, order_field="email", order_direction="asc", include_tracking_preference=False):
          """Gets the active subscribers for this list."""
          params = {
              "date": date,
              "page": page,
              "pagesize": page_size,
              "orderfield": order_field,
              "orderdirection": order_direction,
              "includetrackingpreference": include_tracking_preference,
          }
          response = self._get(self.uri_for("active"), params=params)
          return json_to_py(response)