new_contents: """
  Tests for this repository.
  """
  
  from pathlib import Path
  
  
  def test_init_files() -> None:
      """
      ``__init__`` files exist where they should do.
  
      If ``__init__`` files are missing, linters may not run on all files that
      they should run on.
      """
      directories = (Path('src'), Path('tests'))
  
      for directory in directories:
          files = directory.glob('**/*.py')
          for python_file in files:
              parent = python_file.parent
              expected_init = parent / '__init__.py'
              assert expected_init.exists()
  
subject: Add meta test for __init__ file