code: def test_expand_arguments(tmp_directory, add_current_to_sys_path):
      @expand_arguments
      def func(a):
          return a
  
      Path("functions.py").write_text(
          "def a_function():\n    return [1, 2, 3]"
      )
  
      assert func("functions.a_function") == [1, 2, 3]
      assert func(a="functions.a_function") == [1, 2, 3]
  
file_path: sklearn-evaluation/tests/test_DataSelector.py
imports: from pathlib import Path
  import pytest
  import numpy
  import pandas
  from sklearn_evaluation.training import DataSelector
  from sklearn_evaluation.training.selector import expand_arguments, _with_prefix
  from sklearn_evaluation.exceptions import DataSelectorError
label_desc: Use image node_id 2 for calling a global function with example usage: test_expand_arguments(tmp_directory, add_current_to_sys_path) and returns: a