From 8212c5e6695edf2452d3f751a3bda08a995361f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Segonds?= <theo.segonds@inria.fr>
Date: Tue, 14 Mar 2017 20:09:59 +0100
Subject: [PATCH] fix bad json deserialisation in python3.6 close #229 #218

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

diff --git a/pypot/utils/interpolation.py b/pypot/utils/interpolation.py
index 42cef673..6afd6f03 100644
--- a/pypot/utils/interpolation.py
+++ b/pypot/utils/interpolation.py
@@ -77,7 +77,7 @@ def update(self, *args, **kwargs):
             raise TypeError("update expected at most 1 arguments, got %d" % len(args))
         other = dict(*args, **kwargs)
         for key in other:
-            self[key] = other[key]
+            self[float(key)] = other[key]
 
     def generate_tree(self):
         self.__tree = cKDTree(self.__keys)