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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def tar_files(self, path: Path) -> bytes: """ Returns a tar with the git repository. """

        tarstream = BytesIO()
        tar = tarfile.TarFile(fileobj=tarstream, mode='w')
        tar.add(str(path), arcname="data", recursive=True)
        tar.close()
        return tarstream.getvalue()