From 422c30e9b6d64bf9f3af9696e8518be198e5b6dc Mon Sep 17 00:00:00 2001
From: marco cammarata <marcocamma@gmail.com>
Date: Fri, 31 Mar 2017 18:01:46 +0200
Subject: [PATCH] in iminuitParsToStr, fixed python 3 related bug (dict.keys
 does not return a list)

---
 mcutils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mcutils.py b/mcutils.py
index 8a25810..7972ca9 100644
--- a/mcutils.py
+++ b/mcutils.py
@@ -1072,7 +1072,7 @@ def iminuitClass(modelFunc):
 def iminuitParsToStr(iminuit,withErrs=True,withFixed=True):
   values = iminuit.values
   errs   = iminuit.errors
-  pnames = values.keys()
+  pnames = list(values.keys())
   lenParNames = max( [len(p) for p in pnames] )
   fmt = "%%%ds" % lenParNames
   pnames.sort()