From 553f84dfe475d510daa2af9ec6065fb166363626 Mon Sep 17 00:00:00 2001
From: skudriashev <skudriashev@griddynamics.com>
Date: Sun, 26 Jan 2014 14:38:49 +0200
Subject: [PATCH] Tests: Persistence test mixin fix

* The _get_connection method of PersistenceTestMixin
  should take `self` as the first argument.

Change-Id: Ibaaa0d54b408d5e37c6349c63becef919d02fac8
---
 taskflow/tests/unit/persistence/base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/taskflow/tests/unit/persistence/base.py b/taskflow/tests/unit/persistence/base.py
index 7187ca3a..cb9e0f4e 100644
--- a/taskflow/tests/unit/persistence/base.py
+++ b/taskflow/tests/unit/persistence/base.py
@@ -25,7 +25,7 @@ from taskflow.utils import misc
 
 
 class PersistenceTestMixin(object):
-    def _get_connection():
+    def _get_connection(self):
         raise NotImplementedError()
 
     def test_logbook_save_retrieve(self):