def METHOD_NAME(self):
    # Verify that decode() will refuse to overwrite an existing file
    f = None
    try:
        f = io.BytesIO(encodedtextwrapped(0o644, self.tmpout))
        f = open(self.tmpin, 'rb')
        uu.decode(f)
        f.close()
        f = open(self.tmpin, 'rb')
        self.assertRaises(uu.Error, uu.decode, f)
        f.close()
    finally:
        self._kill(f)