From df3224910715c3f61395e2feebdcaec2e9858b95 Mon Sep 17 00:00:00 2001
From: scott snyder <snyder@bnl.gov>
Date: Mon, 29 Jun 2020 17:23:16 +0200
Subject: [PATCH] TrigValTools: Python 3 fix

Python 3 iterator fix.
---
 .../TrigValTools/bin/trigvalsteering-unit-tester.py           | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Trigger/TrigValidation/TrigValTools/bin/trigvalsteering-unit-tester.py b/Trigger/TrigValidation/TrigValTools/bin/trigvalsteering-unit-tester.py
index e8efbfae724..6e49a502e02 100755
--- a/Trigger/TrigValidation/TrigValTools/bin/trigvalsteering-unit-tester.py
+++ b/Trigger/TrigValidation/TrigValTools/bin/trigvalsteering-unit-tester.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 #
 
 import sys
@@ -27,7 +27,7 @@ def grep_errors(filename):
     lines = []
     with open(filename) as f:
         lines = re.findall(error_pattern, f.read(), re.MULTILINE)
-    return filter(filter_fn, lines)
+    return list(filter(filter_fn, lines))
 
 
 def main():
-- 
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