code: def from_uncharted_json_file(cls, file):
          
          with open(file, "r") as f:
              _dict = json.load(f)
          return cls.from_uncharted_json_serialized_dict(_dict)
docs: Construct an AnalysisGraph object from a file containing INDRA
          statements serialized exported by Uncharted's CauseMos webapp.