From 21f25d3fcde75d26be878d27575241d36e0c9401 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Sun, 23 Nov 2008 02:09:41 +0000
Subject: [PATCH] raise a better error

---
 Lib/optparse.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/optparse.py b/Lib/optparse.py
index 02f62e4095..16a0f19845 100644
--- a/Lib/optparse.py
+++ b/Lib/optparse.py
@@ -799,7 +799,7 @@ class Option:
             parser.print_version()
             parser.exit()
         else:
-            raise RuntimeError, "unknown action %r" % self.action
+            raise ValueError("unknown action %r" % self.action)
 
         return 1
 
-- 
2.50.1