code: def add_geo_json(self, geo_json: dict):
      self._geo_json = geo_json
      return self
  
file_path: pyecharts/pyecharts/charts/basic_charts/geo.py
imports: import simplejson
  from ...None import options
  from ...None import types
  from ...charts.chart import Chart
  from ...datasets import COORDINATES
  from ...exceptions import NonexistentCoordinatesException
  from ...globals import ChartType
label_desc: Use image node_id 2 for calling the GeoChartBase obj's underlying member method code with example usage: obj.add_geo_json(geo_json) and returns: self