code: def test_docstring_empty(self) -> None:
      src = ""
      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, 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 1 for calling the DocStringLinterTest obj's underlying member method code with example usage: obj.test_docstring_empty() without return types