def close(self) -> None:
        """Closes the HTTPClient, freeing any resources used."""
        if not self._closed:
            self._async_client.close()
            self._io_loop.close()
            self._closed = True
def close ( self ) -> None : if not self . _closed : self . _async_client . close ( ) self . _io_loop . close ( ) self . _closed = True
Closes the HTTPClient, freeing any resources used.