Fix SF bug #557436, TclError is a str should be an Exception
Make Tkinter.TclError derive from Exception, it was a string.
diff --git a/Misc/NEWS b/Misc/NEWS
index 7275ad4..2004456 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -124,6 +124,10 @@
Library
+- Stop using strings for exceptions. String objects used for exceptions
+ now derive from Exception. The objects changed were: Tkinter.TclError,
+ bdb.BdbQuit, macpath.norm_error, tabnanny.NannyNag, and xdrlib.Error.
+
- Constants BOM_UTF8, BOM_UTF16, BOM_UTF16_LE, BOM_UTF16_BE,
BOM_UTF32, BOM_UTF32_LE and BOM_UTF32_BE that represent the Byte
Order Mark in UTF-8, UTF-16 and UTF-32 encodings for little and