diff -ur v7/kon.py v8/kon.py
--- v7/kon.py	2018-06-22 23:10:50.000000000 +0900
+++ v8/kon.py	2020-11-30 00:09:27.000000000 +0900
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 import sys
+import six
 import os
 import time
 import termios
@@ -8,6 +9,8 @@
 import threading
 import socket
 
+get_stdout_buffer = lambda : sys.stdout if six.PY2 else sys.stdout.buffer
+
 map_lst = lambda f, lst: list( map( f, lst ) )
 map_up = lambda f, lst: map( lambda a: f(*a), lst )
 map_up_lst = lambda f, lst: list( map_up( f, lst ) )
@@ -54,7 +57,7 @@
 	if s != None:
 		sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 		sock.connect( get_host_port(s, port=55765) )
-	return lambda s: ( sock.sendall if sock else sys.stdout.write )( s.encode() )
+	return lambda s: ( sock.sendall if sock else get_stdout_buffer().write )( s.encode() )
 
 out = out_new()