From cc3dba01db0367d4172cca1b902976ac7718e4cf Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Tue, 16 Sep 2014 16:20:22 -0400
Subject: - raise from cause here to preserve stack trace

---
 lib/sqlalchemy/testing/exclusions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/sqlalchemy/testing/exclusions.py')

diff --git a/lib/sqlalchemy/testing/exclusions.py b/lib/sqlalchemy/testing/exclusions.py
index 283d89e36..49211f805 100644
--- a/lib/sqlalchemy/testing/exclusions.py
+++ b/lib/sqlalchemy/testing/exclusions.py
@@ -133,7 +133,7 @@ class compound(object):
                     name, fail._as_string(config), str(ex))))
                 break
         else:
-            raise ex
+            util.raise_from_cause(ex)
 
     def _expect_success(self, config, name='block'):
         if not self.fails:
-- 
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