def _to_gj_point(obj):
    """
    Dump a Esri JSON Point to GeoJSON Point.

    :param dict obj:
        A EsriJSON-like `dict` representing a Point.


    :returns:
        GeoJSON representation of the Esri JSON Point
    """
    if obj.get("x", None) is None or \
            obj.get("y", None) is None:
        return {'type': 'Point', 'coordinates': ()}
    return {'type': 'Point', 'coordinates': (obj.get("x"),
                                             obj.get("y"))}