code: def test_converter_index_col_bug(all_parsers, conv_f):
      # see gh-1835 , GH#40589
      parser = all_parsers
      data = "A;B\n1;2\n3;4"
  
      if parser.engine == "pyarrow":
          msg = "The 'converters' option is not supported with the 'pyarrow' engine"
          with pytest.raises(ValueError, match=msg):
              parser.read_csv(
                  StringIO(data),
                  sep=";",
                  index_col="A",
                  converters={"A": conv_f},
              )
          return
  
      rs = parser.read_csv(
          StringIO(data),
          sep=";",
          index_col="A",
          converters={"A": conv_f},
      )
  
      xp = DataFrame(
          {"B": [2, 4]},
          index=Index(["1", "3"], name="A", dtype="object"),
      )
      tm.assert_frame_equal(rs, xp)
  
file_path: pandas/pandas/tests/io/parser/test_converters.py
imports: from io import StringIO
  from dateutil.parser import parse
  import numpy
  import pytest
  import pandas
  from pandas import DataFrame, Index
  import pandas._testing
label_desc: Use image node_id 6 for calling a global function with example usage: test_converter_index_col_bug(all_parsers, conv_f) without return types