def to_json(self, na='null', show_bbox=False, **kwargs):
        return json.dumps(self._to_geo(na=na, show_bbox=show_bbox), **kwargs)
Returns bool if callback will respond to a particular signal
dataset/ETHPy150Open geopandas/geopandas/geopandas/geodataframe.py/GeoDataFrame.to_json--crossover with--dataset/ETHPy150Open shaunduncan/smokesignal/smokesignal.py/responds_to