The locale "En" appears not to be valid on windows underi VisualStudio.2005. Added "English" to the test_locale.py to make the testsuite pass for that build
diff --git a/Lib/test/test_locale.py b/Lib/test/test_locale.py
index 9e264b9..a91d358 100644
--- a/Lib/test/test_locale.py
+++ b/Lib/test/test_locale.py
@@ -7,7 +7,7 @@
oldlocale = locale.setlocale(locale.LC_NUMERIC)
if sys.platform.startswith("win"):
- tlocs = ("en",)
+ tlocs = ("En", "English")
else:
tlocs = ("en_US.UTF-8", "en_US.US-ASCII", "en_US")