code: def test_docstring_no_module_init(
      self, uses_LazyModuleExtensionMixin: bool
  ) -> None:
      src = """
  class F(${parent_class_list}):
      \"""
      \"""
      def forward(self, net, z):
          pass
          """
      src = populate_parent_class_list(
          src, uses_LazyModuleExtensionMixin
      )
      with patch("builtins.print") as p, patch(
          "torchrec.linter.module_linter.read_file", return_value=src
      ):
          module_linter.linter_one_file("a")
  
      self.assertEqual(p.call_count, 3)
      self.assertTrue(
          "No runnable example in a TorchRec module"
          in p.call_args_list[0][0][0]
      )
      self.assertTrue(
          "Missing required keywords from TorchRec module"
          in p.call_args_list[1][0][0]
      )
      self.assertTrue(
          "Missing docstring for forward function"
          in p.call_args_list[2][0][0]
      )
  
file_path: torchrec/torchrec/linter/tests/test_module_linter.py
imports: import unittest
  from unittest.mock import patch
  import hypothesis.strategies
  from hypothesis import given
  from torchrec.linter import module_linter
label_desc: Use image node_id 4 for calling the DocStringLinterTest obj's underlying member method code with example usage: obj.test_docstring_no_module_init(uses_LazyModuleExtensionMixin) without return types