From 821c8533ebe2bc503386ee92427cd93d7221326b Mon Sep 17 00:00:00 2001
From: Marko Petric <marko.petric@cern.ch>
Date: Fri, 5 Jun 2020 18:21:51 +0200
Subject: [PATCH] cast to string coll name before usage

---
 DDG4/python/DDG4.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/DDG4/python/DDG4.py b/DDG4/python/DDG4.py
index 69b9ae40e..900d51ee9 100644
--- a/DDG4/python/DDG4.py
+++ b/DDG4/python/DDG4.py
@@ -599,16 +599,16 @@ class Geant4:
         params = {}
         if isinstance(coll, tuple) or isinstance(coll, list):
           if len(coll) > 2:
-            coll_nam = coll[0]
+            coll_nam = str(coll[0])
             sensitive_type = coll[1]
-            params = coll[2]
+            params = str(coll[2])
           elif len(coll) > 1:
-            coll_nam = coll[0]
+            coll_nam = str(coll[0])
             sensitive_type = coll[1]
           else:
-            coll_nam = coll[0]
+            coll_nam = str(coll[0])
         else:
-          coll_nam = coll
+          coll_nam = str(coll)
         act = SensitiveAction(self.kernel(), sensitive_type + '/' + coll_nam + 'Handler', name)
         act.CollectionName = coll_nam
         for parameter, value in six.iteritems(params):
-- 
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