From: Fredrik Tolf <fredrik@dolda2000.com>
Date: Thu, 26 Dec 2013 07:43:08 +0000 (+0100)
Subject: Allow noop-adding of None objects.
X-Git-Url: http://git.dolda2000.com/gitweb/?a=commitdiff_plain;h=b339a6776813c92c27e40ec5477d7fe5c3bd38bc;p=wrw.git

Allow noop-adding of None objects.
---

diff --git a/wrw/sp/cons.py b/wrw/sp/cons.py
index 1e3d678..ff6a1b1 100644
--- a/wrw/sp/cons.py
+++ b/wrw/sp/cons.py
@@ -60,6 +60,8 @@ class context(object):
         raise Exception("No node conversion known for %s objects" % str(type(ob)))
 
     def addchild(self, node, child):
+        if child is None:
+            return
         node.children.append(self.nodefrom(child))
 
     def addattr(self, node, k, v):