From 2d71ec27660db496342d0f3fab456c5ebd1a2777 Mon Sep 17 00:00:00 2001
From: Diana Clarke <diana.joan.clarke@gmail.com>
Date: Mon, 28 Feb 2011 23:55:34 -0500
Subject: see #2060

---
 lib/sqlalchemy/engine/url.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lib/sqlalchemy')

diff --git a/lib/sqlalchemy/engine/url.py b/lib/sqlalchemy/engine/url.py
index 9f4c2dbdf..7d5e0692f 100644
--- a/lib/sqlalchemy/engine/url.py
+++ b/lib/sqlalchemy/engine/url.py
@@ -112,7 +112,8 @@ class URL(object):
             if module is not None:
                 return module
             else:
-                raise
+                raise exc.ArgumentError(
+                    "Could not determine dialect for '%s'." % self.drivername)
 
     def _load_entry_point(self):
         """attempt to load this url's dialect from entry points, or return None
-- 
cgit v1.2.1