From 63c306480aafcaa7341807d70ecd499cdea97744 Mon Sep 17 00:00:00 2001
From: Nicola Soranzo <nicola.soranzo@earlham.ac.uk>
Date: Tue, 16 Nov 2021 02:06:28 +0000
Subject: [PATCH] Revert metaclass removed by mistake

---
 lib/galaxy/tool_util/cwl/parser.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/galaxy/tool_util/cwl/parser.py b/lib/galaxy/tool_util/cwl/parser.py
index 56cfc92c35ff..320dc8a86280 100644
--- a/lib/galaxy/tool_util/cwl/parser.py
+++ b/lib/galaxy/tool_util/cwl/parser.py
@@ -258,7 +258,7 @@ def check_requirements(rec, tool=True):
             check_requirements(d, tool=tool)
 
 
-class ToolProxy(ABCMeta):
+class ToolProxy(metaclass=ABCMeta):
 
     _class: str