def METHOD_NAME(path):
    # Alias `OUTPUT_MYPY` so that it appears in the local namespace
    output_mypy = OUTPUT_MYPY
    if path in output_mypy:
        msg = "Unexpected mypy output\n\n"
        msg += "\n".join(_strip_filename(v) for v in output_mypy[path])
        raise AssertionError(msg)