Is the Mapbox access token still required for Kepler.gl?

Question

we plan to integrate Kepler.gl into our open source analytics platform which will be used by many users. We have successfully integrated the library into our code and are able to visual beautiful maps with our data. The library is awesome and we want to use it but aren't sure about the Mapbox integration. Our code works without setting any Mapbox access token. Is the token no longer required if one uses the Kepler.gl with default settings? Are there any limitations in using it without a token e.g. will no longer work if more than 100 users use it?

This is the Kepler.gl related code that we used:

map_1 = KeplerGl(show_docs=False)
    map_1.add_data(data=gdf.copy(), name="state")
    config = {}
    if self.save_config:
        # Save map_1 config to a file
        # config_str = json.dumps(map_1.config)
        # if type(config) == str:
        #     config = config.encode("utf-8")
        with open("kepler_config.json", "w") as f:
            f.write(json.dumps(map_1.config))

    if self.load_config:
        with open("kepler_config.json", "r") as f:
            config = json.loads(f.read())
    map_1.config = config

    # map_1.add_data(data=data.copy(), name="haha")
    html = map_1._repr_html_()
    html = html.decode("utf-8")

Thanks for your help

Tobias