From 1061f5a06a96a7054773e17a481e4aa1ab185013 Mon Sep 17 00:00:00 2001
From: Stephan Rave <stephanrave@uni-muenster.de>
Date: Thu, 20 Apr 2017 09:38:17 +0200
Subject: [PATCH] [py2] fix RuleTable inheritance check

---
 src/pymor/algorithms/rules.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pymor/algorithms/rules.py b/src/pymor/algorithms/rules.py
index dddba85d31..426bcb1334 100644
--- a/src/pymor/algorithms/rules.py
+++ b/src/pymor/algorithms/rules.py
@@ -89,7 +89,7 @@ class RuleTableMeta(type):
     def __new__(cls, name, parents, dct):
         assert 'rules' not in dct
         rules = []
-        if not {p.__name__ for p in parents} <= {'RuleTable'}:
+        if not {p.__name__ for p in parents} <= {'RuleTable', 'object'}:
             raise NotImplementedError('Inheritance for RuleTables not implemented yet.')
         for k, v in dct.items():
             if isinstance(v, rule):