From 2edd3387e1aa2694c98b6e5a1f8656607b824e3f Mon Sep 17 00:00:00 2001
From: Martin Larralde <martin.larralde@ens-cachan.fr>
Date: Thu, 24 Nov 2016 21:49:51 +0000
Subject: [PATCH] Fix format_map usage failing in Py2

---
 mzml2isa/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mzml2isa/utils.py b/mzml2isa/utils.py
index 2b9e01e..62f2606 100644
--- a/mzml2isa/utils.py
+++ b/mzml2isa/utils.py
@@ -194,7 +194,7 @@ def pyxpath(meta, query):
         This function also formats the xpath query using the *mzMLmeta.env
         dictionnary created by the **mzml.mzMLmeta.build_env** function.
         """
-        return meta.tree.iterfind(query.format_map(meta.env), meta.ns)
+        return meta.tree.iterfind(query.format(**meta.env), meta.ns)
 
 def longest_substring(string1, string2):
     answer = ""