SF patch #765238:  fix fnmatch.__all__
(Contributed by George Yoshida.)
diff --git a/Lib/fnmatch.py b/Lib/fnmatch.py
index 0d3d92c..3bf2463 100644
--- a/Lib/fnmatch.py
+++ b/Lib/fnmatch.py
@@ -12,7 +12,7 @@
 
 import re
 
-__all__ = ["fnmatch","fnmatchcase","translate"]
+__all__ = ["filter", "fnmatch","fnmatchcase","translate"]
 
 _cache = {}