commit 55f31be44b7e3ee24a67134f99543512a9b630e4
author Inada Naoki <songofacandy@gmail.com> Thu Apr 01 11:23:03 2021 +0900
committer GitHub <noreply@github.com> Thu Apr 01 11:23:03 2021 +0900
tree d2b0e494ec4154687b70a84f93bfa25d3e5230fe
parent ad493edf5791e7abb2588852e876b8584945c653

bpo-43651: Fix EncodingWarning in test_file and test_file_eintr (GH-25109)

Lib/test/test_file.py

diff --git a/Lib/test/test_file.py b/Lib/test/test_file.py
index 1497675..fbfba64 100644
--- a/Lib/test/test_file.py
+++ b/Lib/test/test_file.py
@@ -52,7 +52,7 @@ def testReadinto_text(self):
         # verify readinto refuses text files
         a = array('b', b'x'*10)
         self.f.close()
-        self.f = self.open(TESTFN, 'r')
+        self.f = self.open(TESTFN, encoding="utf-8")
         if hasattr(self.f, "readinto"):
             self.assertRaises(TypeError, self.f.readinto, a)