From a9d64c77d9964c1dbeaa1dd1a7eb90c1b64d72e4 Mon Sep 17 00:00:00 2001
From: raylu <raylu@cmu.edu>
Date: Fri, 13 May 2011 18:44:21 -0400
Subject: Fix Grade model when grade is None and add Back link on lab page

---
 pyc/grader/models.py   | 2 +-
 pyc/templates/lab.html | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/pyc/grader/models.py b/pyc/grader/models.py
index b8d0c55..76386ec 100644
--- a/pyc/grader/models.py
+++ b/pyc/grader/models.py
@@ -19,4 +19,4 @@ class Submission(models.Model):
 	class Meta:
 		unique_together = (('lab', 'user'),)
 	def __unicode__(self):
-		return "%d, %s, %d" % (self.lab.id, self.user, self.grade)
+		return "%d, %s, %s" % (self.lab.id, self.user, self.grade)
diff --git a/pyc/templates/lab.html b/pyc/templates/lab.html
index ca2ceae..a35131d 100644
--- a/pyc/templates/lab.html
+++ b/pyc/templates/lab.html
@@ -25,5 +25,7 @@ Users' highest scores and earliest time with that score are displayed.
 
 <p>
 <a href="/submit/{{ lab.id }}/">Submit</a> your solution
+<br>
+<a href="/">Back</a> to the homepage
 </p>
 {% endblock %}
-- 
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