From c0ec4486dc7dd70fea39d1473ac9a9ac568378fe Mon Sep 17 00:00:00 2001
From: Inada Naoki <songofacandy@gmail.com>
Date: Fri, 2 Apr 2021 08:59:15 +0900
Subject: bpo-43651: Fix EncodingWarning in lib2to3/pgen2/pgen.py (GH-25127)

---
 Lib/lib2to3/pgen2/pgen.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/lib2to3/pgen2/pgen.py b/Lib/lib2to3/pgen2/pgen.py
index b0cbd16..7abd5ce 100644
--- a/Lib/lib2to3/pgen2/pgen.py
+++ b/Lib/lib2to3/pgen2/pgen.py
@@ -12,7 +12,7 @@ class ParserGenerator(object):
     def __init__(self, filename, stream=None):
         close_stream = None
         if stream is None:
-            stream = open(filename)
+            stream = open(filename, encoding="utf-8")
             close_stream = stream.close
         self.filename = filename
         self.stream = stream
-- 
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