From 7b4d59527cfabe2f4fd49e69fca4a2a0d6886f32 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eray=20=C3=96zkural?= <eray@pardus.org.tr>
Date: Mon, 18 Jul 2005 00:47:00 +0000
Subject: [PATCH] * relax add_vertex a bit

---
 pisi/graph.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pisi/graph.py b/pisi/graph.py
index 30d3cf19..4d0812d5 100644
--- a/pisi/graph.py
+++ b/pisi/graph.py
@@ -9,7 +9,7 @@ class digraph(object):
         #self.__edata = {}
 
     def add_vertex(u, data = None):
-        assert not u in self.__v
+        #assert not u in self.__v
         self.__v.add(u)
         if data!=None:
             self.__vdata[u] = data