code: def _filter_info_warning(lines):
      """$ fio info can issue a RuntimeWarning, but click adds stderr to stdout
      so we have to filter it out before decoding JSON lines."""
      lines = list(filter(lambda x: "RuntimeWarning" not in x, lines))
      return lines
  
file_path: Fiona/tests/test_fio_info.py
imports: import json
  from pkg_resources import iter_entry_points
  import re
  import sys
  from click.testing import CliRunner
  import pytest
  from fiona.fio.main import main_group
label_desc: Use image node_id 5 for calling a global function with example usage: _filter_info_warning(lines) and returns: lines