From 2da1f053263275ed6baeb32d619de68ef76ee684 Mon Sep 17 00:00:00 2001
From: Florian Bruhin <git@the-compiler.org>
Date: Sun, 20 Apr 2014 19:24:50 +0200
Subject: [PATCH] Output better error when validate() isn't implemented

---
 qutebrowser/config/conftypes.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/qutebrowser/config/conftypes.py b/qutebrowser/config/conftypes.py
index a1f31fd08..eb099ca01 100644
--- a/qutebrowser/config/conftypes.py
+++ b/qutebrowser/config/conftypes.py
@@ -107,7 +107,8 @@ class BaseType:
             else:
                 return
         else:
-            raise NotImplementedError
+            raise NotImplementedError("{} does not implement validate.".format(
+                self.__class__.__name__))
 
 
 class String(BaseType):