code: def test_iterator_read_too_much(self, dirpath):
      # github #14734
      fname = os.path.join(dirpath, "test1.sas7bdat")
      with pd.read_sas(
          fname, format="sas7bdat", iterator=True, encoding="utf-8"
      ) as rdr:
          d1 = rdr.read(rdr.row_count + 20)
  
      with pd.read_sas(fname, iterator=True, encoding="utf-8") as rdr:
          d2 = rdr.read(rdr.row_count + 20)
      tm.assert_frame_equal(d1, d2)
  
imports: import contextlib
  from datetime import datetime
  import io
  import os
  from pathlib import Path
  import numpy
  import pytest
  from pandas.compat import IS64
  from pandas.errors import EmptyDataError
  import pandas.util._test_decorators
  import pandas
  import pandas._testing
  from pandas.io.sas.sas7bdat import SAS7BDATReader
label_desc: Use image node_id 7 for calling the TestSAS7BDAT obj's underlying member method code with example usage: obj.test_iterator_read_too_much(dirpath) without return types