tcprelay.py: decode remote_addr to fix extra b'' in logging on python 3

shadowsocks/tcprelay.py

@@ -261,7 +261,7 @@ class TCPRelayHandler(object):
             if header_result is None:
                 raise Exception('can not parse header')
             addrtype, remote_addr, remote_port, header_length = header_result
-            logging.info('connecting %s:%d' % (remote_addr, remote_port))
+            logging.info('connecting %s:%d' % (remote_addr.decode('utf-8'), remote_port))
             self._remote_address = (remote_addr, remote_port)
             # pause reading
             self._update_stream(STREAM_UP, WAIT_STATUS_WRITING)