code: def __next__(self) -> pd.DataFrame:
      return self.read(nrows=self._chunksize or 1)
  
imports: from __future__ import annotations
  from collections import abc
  from datetime import datetime
  import struct
  import warnings
  import numpy
  from pandas._typing import CompressionOptions, DatetimeNaTType, FilePath, ReadBuffer
  from pandas.util._decorators import Appender
  from pandas.util._exceptions import find_stack_level
  import pandas
  from pandas.io.common import get_handle
  from pandas.io.sas.sasreader import ReaderBase
label_desc: Use image node_id 5 for calling the XportReader obj's underlying member method code with example usage: obj.__next__() and returns: self