gh-91915: Fix test_netrc on non-UTF-8 locale (GH-91918)

diff --git a/Lib/test/test_netrc.py b/Lib/test/test_netrc.py
index a6b4bc47a32c1ac6bbd9fb36096de75e4c47ccf4..3cca1e8ff1ac1a71ee681120aa7ba3d4884b8192 100644 (file)
--- a/Lib/test/test_netrc.py
+++ b/Lib/test/test_netrc.py
@@ -10,7 +10,7 @@ class NetrcTestCase(unittest.TestCase):
         mode = 'w'
         if sys.platform != 'cygwin':
             mode += 't'
-        with open(temp_filename, mode) as fp:
+        with open(temp_filename, mode, encoding="utf-8") as fp:
             fp.write(test_data)
         try:
             nrc = netrc.netrc(temp_filename)