class_docstr: Modules and functions related to the
  `torch/quantization` migration to `torch/ao/quantization`.
code: def test_function_import_stubs(self):
      function_list = [
          "QuantStub",
          "DeQuantStub",
          "QuantWrapper",
      ]
      self._test_function_import("stubs", function_list)
  
file_path: pytorch/test/quantization/ao_migration/test_quantization.py
imports: from .common import AOMigrationTestCase
label_desc: Use image node_id 2 for calling the TestAOMigrationQuantization obj's underlying member method code with example usage: obj.test_function_import_stubs() without return types