From eedfc3832290b3a32825b3c0f2dfa3f3d7ee9d1c Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Fri, 19 May 2023 13:00:29 -0400
Subject: [PATCH] Avoid EncodingWarning in blib2to3 (#3696)

---
 src/blib2to3/pgen2/pgen.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/blib2to3/pgen2/pgen.py b/src/blib2to3/pgen2/pgen.py
index 631682a..b5ebc7b 100644
--- a/src/blib2to3/pgen2/pgen.py
+++ b/src/blib2to3/pgen2/pgen.py
@@ -30,7 +30,6 @@ class PgenGrammar(grammar.Grammar):
 
 
 class ParserGenerator(object):
-
     filename: Path
     stream: IO[Text]
     generator: Iterator[GoodTokenInfo]
@@ -39,7 +38,7 @@ class ParserGenerator(object):
     def __init__(self, filename: Path, stream: Optional[IO[Text]] = None) -> 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
-- 
2.39.5