def test_statsWithArgument(self):
        """
        L{MemCacheProtocol.stats} takes an optional C{bytes} argument which,
        if specified, is sent along with the I{STAT} command.  The I{STAT}
        responses from the server are parsed as key/value pairs and returned
        as a C{dict} (as in the case where the argument is not specified).
        """
        return self._test(
            self.proto.stats(b"blah"), b"stats blah\r\n",
            b"STAT foo bar\r\nSTAT egg spam\r\nEND\r\n",
            {b"foo": b"bar", b"egg": b"spam"})

        L{MemCacheProtocol.stats} takes an optional C{bytes} argument which,
        if specified, is sent along with the I{STAT} command.  The I{STAT}
        responses from the server are parsed as key/value pairs and returned
        as a C{dict} (as in the case where the argument is not specified).
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_memcache.py