From efc5429cfc8f8ee1ecc95ef9bf757b4168661bc8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Houz=C3=A9fa=20Abbasbhay?= <houzefa.abba@xcg-consulting.fr>
Date: Tue, 2 Dec 2014 16:31:04 +0100
Subject: [PATCH] Python 3: Fix a string conversion helper

---
 bindings/python/lang.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bindings/python/lang.py b/bindings/python/lang.py
index 8f5ea594..7fa168ed 100644
--- a/bindings/python/lang.py
+++ b/bindings/python/lang.py
@@ -124,7 +124,8 @@ def cptrToPy(cptr):
     return o
 
 def str2lasso(s):
-    if isinstance(s, unicode):
+    if s is not None and not isinstance(s, str):
+        # Assume this is a Python 2 unicode string.
         return s.encode('utf-8')
     return s