code: def _generate_tables(self, files):
      for i, file in enumerate(itertools.chain.from_iterable(files)):
          with open(file, "rb") as f:
              pa_table = pa.Table.from_pandas(pd.read_pickle(f))
              yield i, self._cast_table(pa_table)
  
file_path: datasets/src/datasets/packaged_modules/pandas/pandas.py
imports: import itertools
  from dataclasses import dataclass
  from typing import Optional
  import pandas
  import pyarrow
  import datasets
  from datasets.table import table_cast
label_desc: Use image node_id 4 for calling the Pandas obj's underlying member method code with example usage: obj._generate_tables(files) without return types