code: def _init_leaves_sample_table(self, sample_pos: DataFrame):
      return sample_pos.empty_frame()
  
imports: import numpy
  import pandas
  from fate.arch import Context
  from fate.arch.dataframe import DataFrame
  from fate.ml.ensemble.learner.decision_tree.tree_core.splitter import SplitInfo
  from typing import List
  import logging
label_desc: Use image node_id 3 for calling the DecisionTree obj's underlying member method code with example usage: obj._init_leaves_sample_table(sample_pos) and returns: sample_pos