commit c0ec4486dc7dd70fea39d1473ac9a9ac568378fe
author Inada Naoki <songofacandy@gmail.com> Fri Apr 02 08:59:15 2021 +0900
committer GitHub <noreply@github.com> Fri Apr 02 08:59:15 2021 +0900
tree c289766e239ffe58e4f4625db0edf15fdb019ed2
parent 036fc7de24cc961d65b60fba266104009feb2797

bpo-43651: Fix EncodingWarning in lib2to3/pgen2/pgen.py (GH-25127)

Lib/lib2to3/pgen2/pgen.py

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