From 8f4fad169e6cb3635056b4bf212d9dfe9fd7a856 Mon Sep 17 00:00:00 2001
From: Tony Mack <tmack@paris.CS.Princeton.EDU>
Date: Mon, 12 Dec 2011 11:53:01 -0500
Subject: [PATCH] RSpec must be instantiated with a valid rspec string or
 version

---
 sfa/rspecs/rspec.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sfa/rspecs/rspec.py b/sfa/rspecs/rspec.py
index 00095e2b..50ded822 100755
--- a/sfa/rspecs/rspec.py
+++ b/sfa/rspecs/rspec.py
@@ -19,9 +19,10 @@ class RSpec:
         self.elements = {}
         if rspec:
             self.parse_xml(rspec)
-        else:
+        elif version:
             self.create(version)
-
+        else:
+            raise InvalidRSpec("No RSpec or version sepcified. Must specify a valid rspec string or a valid version") 
     def create(self, version=None):
         """
         Create root element
-- 
2.45.2