From: W. Trevor King <wking@drexel.edu>
Date: Wed, 18 Aug 2010 00:38:48 +0000 (-0400)
Subject: Handle 'None' in YAML Directions.
X-Git-Tag: v0.1~2
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=2de218d56ff661a9689fb0c47a384dbb1f20e929;p=cookbook.git

Handle 'None' in YAML Directions.
---

diff --git a/cookbook/cookbook.py b/cookbook/cookbook.py
index fdfae2c..24a70fe 100644
--- a/cookbook/cookbook.py
+++ b/cookbook/cookbook.py
@@ -353,6 +353,8 @@ class Directions (list):
                                             for paragraph in self]))
 
     def from_yaml(self, string):
+        if string == None:
+            return
         while len(self) > 0:
             self.pop()
         for paragraph in string.split('\n\n'):