From 956087eb81237465f1a590887259fea13d7860bd Mon Sep 17 00:00:00 2001
From: Simon Cozens <simon@simon-cozens.org>
Date: Thu, 18 Mar 2021 21:23:34 +0000
Subject: [PATCH] =?UTF-8?q?super=20doesn=E2=80=99t=20magically=20call=20it?=
 =?UTF-8?q?s=20own=20methods?=
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---
 Lib/fontTools/varLib/errors.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/fontTools/varLib/errors.py b/Lib/fontTools/varLib/errors.py
index daaaef602..9d150a0e0 100644
--- a/Lib/fontTools/varLib/errors.py
+++ b/Lib/fontTools/varLib/errors.py
@@ -78,7 +78,7 @@ class ShouldBeConstant(VarLibMergeError):
     @property
     def details(self):
         if self.stack[0] != ".FeatureCount":
-            return super()
+            return super().details
         offender_index, offender = self.offender
         bad_ttf = self.merger.ttfs[offender_index]
         good_ttf = self.merger.ttfs[offender_index - 1]