code: def predict(self, ctx: Context, predict_data: DataFrame) -> DataFrame:
      ...
  
file_path: FATE/python/fate/ml/abc/module.py
imports: from typing import Optional, Union
  from fate.arch import Context
  from fate.arch.dataframe import DataFrame
  import typing
label_desc: Use image node_id 4 for calling the Module obj's underlying member method code with example usage: obj.predict(ctx, predict_data) without return types