diff -up vatnumber-1.2/vatnumber/__init__.py.py3 vatnumber-1.2/vatnumber/__init__.py
--- vatnumber-1.2/vatnumber/__init__.py.py3	2016-04-22 10:38:57.000000000 +0200
+++ vatnumber-1.2/vatnumber/__init__.py	2016-04-22 10:39:01.000000000 +0200
@@ -80,7 +80,7 @@ def check_vat_ar(vat):
         return False
     base = [5, 4, 3, 2, 7, 6, 5, 4, 3, 2]
     aux = 0
-    for i in xrange(10):
+    for i in range(10):
         aux += int(vat[i]) * base[i]
     aux = 11 - (aux - (int(aux / 11) * 11))
     if aux == 11: