code: def test_import_submodules(self):
      (self.TEST_DIR / "mymodule").mkdir()
      (self.TEST_DIR / "mymodule" / "__init__.py").touch()
      (self.TEST_DIR / "mymodule" / "submodule").mkdir()
      (self.TEST_DIR / "mymodule" / "submodule" / "__init__.py").touch()
      (
          self.TEST_DIR / "mymodule" / "submodule" / "subsubmodule.py"
      ).touch()
  
      with push_python_path(self.TEST_DIR):
          assert "mymodule" not in sys.modules
          assert "mymodule.submodule" not in sys.modules
  
          util.import_module_and_submodules("mymodule")
  
          assert "mymodule" in sys.modules
          assert "mymodule.submodule" in sys.modules
          assert "mymodule.submodule.subsubmodule" in sys.modules
  
imports: from datetime import timedelta
  import sys
  from collections import OrderedDict
  import pytest
  import torch
  from allennlp.common import util
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.common.util import push_python_path
label_desc: Use image node_id 6 for calling the TestCommonUtils obj's underlying member method code with example usage: obj.test_import_submodules() without return types