old_contents: """
  taskcat python module
  """
  from ._cfn.stack import Stack  # noqa: F401
  from ._cfn.template import Template  # noqa: F401
  from ._cli import main  # noqa: F401
  from ._config import Config  # noqa: F401
  
new_contents: """
  taskcat python module
  """
  from ._cfn.stack import Stack  # noqa: F401
  from ._cfn.template import Template  # noqa: F401
  from ._cli import main  # noqa: F401
  from ._config import Config  # noqa: F401
  
  __all__ = ["Stack", "Template", "Config", "main"]
  
subject: Add __all__ to init.py