code: def test__validate_args_nonposixpath():
      assert (
          _validate_args(
              image_dir=PATH_DIR,
              duplicate_map={"1": ["2"]},
              filename="1",
          )
          == PATH_DIR_POSIX
      )
  
file_path: imagededup/tests/test_plotter.py
imports: import os
  import pytest
  import matplotlib.pyplot
  from pathlib import Path
  import numpy
  from imagededup.utils.plotter import _formatter, _validate_args, plot_duplicates
label_desc: Use image node_id 4 for calling a global function with example usage: test__validate_args_nonposixpath() without return types