From 2b2e048f01461ed1be456dd0fdb1194109b6ad90 Mon Sep 17 00:00:00 2001
From: Anthony Scemama <scemama@irsamc.ups-tlse.fr>
Date: Tue, 13 May 2014 11:15:24 +0200
Subject: [PATCH] Make single in subroutine needs

---
 src/subroutine.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/subroutine.py b/src/subroutine.py
index 01c7f94..1a9d75b 100644
--- a/src/subroutine.py
+++ b/src/subroutine.py
@@ -90,6 +90,7 @@ class Sub(object):
   def needs(self):
     if '_needs' not in self.__dict__:
       import parsed_text
+    self._needs = make_single(self._needs)
     return self._needs
   needs = property(needs)