Remove remaining references to OverflowWarning.
diff --git a/Misc/Vim/python.vim b/Misc/Vim/python.vim
index 1b81c62..61d75e2 100644
--- a/Misc/Vim/python.vim
+++ b/Misc/Vim/python.vim
@@ -85,7 +85,7 @@
syn keyword pythonException LookupError OSError DeprecationWarning
syn keyword pythonException UnicodeError UnicodeEncodeError
syn keyword pythonException FloatingPointError ReferenceError NameError
- syn keyword pythonException OverflowWarning IOError SyntaxError
+ syn keyword pythonException IOError SyntaxError
syn keyword pythonException FutureWarning ImportWarning SystemExit
syn keyword pythonException Exception EOFError StandardError ValueError
syn keyword pythonException TabError KeyError ZeroDivisionError SystemError