code: def test_isdir():
      DIR = PATH_TO_MEDIA_FILES
  
      assert caer.path.isdir(DIR) == os.path.isdir(DIR)
  
file_path: caer/tests/path/test_paths.py
imports: import os
  import caer
label_desc: Use image node_id 7 for calling a global function with example usage: test_isdir() without return types