From 7a1a439049c01630665aed04bbe18486f3eeda83 Mon Sep 17 00:00:00 2001
From: Kale Kundert <kale@thekunderts.net>
Date: Tue, 4 Jul 2017 09:20:52 -0700
Subject: [PATCH] Use `cls` instead of `ApproxNumpyBase`.

Slightly more general, probably doesn't make a difference.
---
 _pytest/python_api.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/_pytest/python_api.py b/_pytest/python_api.py
index 264d925c3..cb7d5e459 100644
--- a/_pytest/python_api.py
+++ b/_pytest/python_api.py
@@ -85,7 +85,7 @@ class ApproxNumpyBase(ApproxBase):
         assert not isinstance(cls, np.ndarray)
 
         if cls.subclass is None:
-            cls.subclass = type('ApproxNumpy', (ApproxNumpyBase, np.ndarray), {})
+            cls.subclass = type('ApproxNumpy', (cls, np.ndarray), {})
 
         return cls.subclass