diff --git a/_compatibility.py b/_compatibility.py
new file mode 100644
index 00000000..67b5be8d
--- /dev/null
+++ b/_compatibility.py
@@ -0,0 +1,7 @@
+
+# python2.5 compatibility
+try:
+    next = next
+except NameError:
+    def next(obj):
+        return obj.next()