From 2515a28230b1a011205f30263da6b01c6bd167a3 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Tue, 30 Jun 2020 03:18:22 +0300
Subject: bpo-41152: IDLE: always use UTF-8 for standard IO streams (GH-21214)

---
 Lib/idlelib/outwin.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'Lib/idlelib/outwin.py')

diff --git a/Lib/idlelib/outwin.py b/Lib/idlelib/outwin.py
index 90272b6feb..5ab08bbaf4 100644
--- a/Lib/idlelib/outwin.py
+++ b/Lib/idlelib/outwin.py
@@ -6,7 +6,6 @@ import re
 from tkinter import messagebox
 
 from idlelib.editor import EditorWindow
-from idlelib import iomenu
 
 
 file_line_pats = [
@@ -110,8 +109,7 @@ class OutputWindow(EditorWindow):
         Return:
             Length of text inserted.
         """
-        if isinstance(s, bytes):
-            s = s.decode(iomenu.encoding, "replace")
+        assert isinstance(s, str)
         self.text.insert(mark, s, tags)
         self.text.see(mark)
         self.text.update()
-- 
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