Issue #8867: Fix `Tools/scripts/serve.py` to work with files containing

non-ASCII content.

Misc/NEWS

@@ -85,6 +85,12 @@ Library
 
 - Add lfu_cache() and lru_cache() decorators to the functools module.
 
+Tools/Demos
+-----------
+
+- Issue #8867: Fix ``Tools/scripts/serve.py`` to work with files containing
+  non-ASCII content.
+
 
 What's New in Python 3.2 Alpha 1?
 =================================

Tools/scripts/serve.py

@@ -19,7 +19,7 @@ def app(environ, respond):
 
     if os.path.exists(fn):
         respond('200 OK', [('Content-Type', type)])
-        return util.FileWrapper(open(fn))
+        return util.FileWrapper(open(fn, "rb"))
     else:
         respond('404 Not Found', [('Content-Type', 'text/plain')])
         return ['not found']