old_contents: # Namespace dance baby
  try:
      import pkg_resources
      pkg_resources.declare_namespace(__name__)
  except ImportError:
      import pkgutil
      __path__ = pkgutil.extend_path(__path__, __name__)
  
new_contents: # Namespace dance baby
  try:  # pragma: no cover
      import pkg_resources
      pkg_resources.declare_namespace(__name__)
  except ImportError:  # pragma: no cover
      import pkgutil
      __path__ = pkgutil.extend_path(__path__, __name__)
  
subject: Exclude __init__.py from coverage