From 5198c82fe90eb930b2d532dade09d2bede2b5b20 Mon Sep 17 00:00:00 2001
From: M Bernt <m.bernt@ufz.de>
Date: Fri, 14 Jan 2022 14:44:45 +0100
Subject: [PATCH] Update lib/galaxy/util/xml_macros.py

Co-authored-by: Marius van den Beek <m.vandenbeek@gmail.com>
---
 lib/galaxy/util/xml_macros.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/galaxy/util/xml_macros.py b/lib/galaxy/util/xml_macros.py
index 46c0771b5bd..1ed30f19986 100644
--- a/lib/galaxy/util/xml_macros.py
+++ b/lib/galaxy/util/xml_macros.py
@@ -165,7 +165,7 @@ def _expand_macros(elements, macros, tokens, visited=None):
             if expand_el is None:
                 break
             if visited is None:
-                v = list()
+                v = []
             else:
                 v = visited
             _expand_macro(expand_el, macros, tokens, v)