1 files changed, 2 insertions, 2 deletions
diff --git a/tests/rest/client/test_transactions.py b/tests/rest/client/test_transactions.py
index 34e68ae82f..d46c27e7e9 100644
--- a/tests/rest/client/test_transactions.py
+++ b/tests/rest/client/test_transactions.py
@@ -85,7 +85,7 @@ class HttpTransactionCacheTestCase(unittest.TestCase):
             try:
                 yield self.cache.fetch_or_execute(self.mock_key, cb)
             except Exception as e:
-                self.assertEqual(e.message, "boo")
+                self.assertEqual(e.args[0], "boo")
             self.assertIs(LoggingContext.current_context(), test_context)
 
             res = yield self.cache.fetch_or_execute(self.mock_key, cb)
@@ -111,7 +111,7 @@ class HttpTransactionCacheTestCase(unittest.TestCase):
             try:
                 yield self.cache.fetch_or_execute(self.mock_key, cb)
             except Exception as e:
-                self.assertEqual(e.message, "boo")
+                self.assertEqual(e.args[0], "boo")
             self.assertIs(LoggingContext.current_context(), test_context)
 
             res = yield self.cache.fetch_or_execute(self.mock_key, cb)