From 563ec494066b50e278e2400081f8b31d964acbba Mon Sep 17 00:00:00 2001
From: eficas <>
Date: Tue, 28 Feb 2006 11:30:27 +0000
Subject: [PATCH] modif len parametre

---
 Extensions/param2.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Extensions/param2.py b/Extensions/param2.py
index 831308e8..5d307aac 100644
--- a/Extensions/param2.py
+++ b/Extensions/param2.py
@@ -15,7 +15,13 @@ def mkf(value):
 
 #class Formula(object):
 class Formula:
-    def __len__(self): return len(self.eval())
+    def __len__(self):
+        val=self.eval()
+        if val is None:return 0
+        try:
+           return len(val)
+        except:
+           return 1
     def __complex__(self): return complex(self.eval())
     def __int__(self): return int(self.eval())
     def __long__(self): return long(self.eval())
-- 
2.39.2