code: def test_python_engine_file_no_next(python_parser_only):
      parser = python_parser_only
  
      class NoNextBuffer:
          def __init__(self, csv_data) -> None:
              self.data = csv_data
  
          def __iter__(self) -> Iterator:
              return self.data.__iter__()
  
          def read(self):
              return self.data
  
          def readline(self):
              return self.data
  
      parser.read_csv(NoNextBuffer("a\n1"))
  
imports: from __future__ import annotations
  import csv
  from io import BytesIO, StringIO, TextIOWrapper
  from typing import TYPE_CHECKING
  import numpy
  import pytest
  from pandas.errors import ParserError, ParserWarning
  from pandas import DataFrame, Index, MultiIndex
  import pandas._testing
label_desc: Use image node_id 18 for calling a global function with example usage: test_python_engine_file_no_next(python_parser_only) and returns: self, self, self