code: def test_bytes_io_input():
      data = BytesIO("שלום\nשלום".encode())  # noqa: RUF001
      result = read_fwf(data, widths=[2, 2], encoding="utf8")
      expected = DataFrame([["של", "ום"]], columns=["של", "ום"])
      tm.assert_frame_equal(result, expected)
  
imports: from datetime import datetime
  from io import BytesIO, StringIO
  from pathlib import Path
  import numpy
  import pytest
  from pandas.errors import EmptyDataError
  import pandas
  from pandas import DataFrame, DatetimeIndex
  import pandas._testing
  from pandas.core.arrays import ArrowStringArray, StringArray
  from pandas.io.common import urlopen
  from pandas.io.parsers import read_csv, read_fwf
label_desc: Use image node_id 8 for calling a global function with example usage: test_bytes_io_input() without return types