code: def import_tool(toolname):
      with import_helper.DirsOnSysPath(scriptsdir):
          return importlib.import_module(toolname)
  
file_path: cpython/Lib/test/test_tools/__init__.py
imports: import contextlib
  import importlib
  import os.path
  import unittest
  from test import support
  from test.support import import_helper
label_desc: Use image node_id 3 for calling a global function with example usage: import_tool(toolname) and returns: importlib