code: def test_zero_rows(datapath):
      # GH 18198
      fname = datapath("io", "sas", "data", "zero_rows.sas7bdat")
      result = pd.read_sas(fname)
      expected = pd.DataFrame(
          [{"char_field": "a", "num_field": 1.0}]
      ).iloc[:0]
      tm.assert_frame_equal(result, expected)
  
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 13 for calling a global function with example usage: test_zero_rows(datapath) without return types