From df277467dab4ef99ecbe7c07c2ddb340dedb7b94 Mon Sep 17 00:00:00 2001
From: Ernesto Rico-Schmidt <e.rico.schmidt@gmail.com>
Date: Mon, 21 Mar 2011 22:20:31 +0100
Subject: modified Note: made start field unique.


diff --git a/program/models.py b/program/models.py
index 891f0b7..b73e7ac 100644
--- a/program/models.py
+++ b/program/models.py
@@ -241,7 +241,7 @@ class TimeSlotManager(models.Manager):
 
 class TimeSlot(models.Model):
     programslot = models.ForeignKey(ProgramSlot, related_name='timeslots', verbose_name=_("Program slot"))
-    start = models.DateTimeField(_("Start time"))
+    start = models.DateTimeField(_("Start time"), unique=True)
     end = models.DateTimeField(_("End time"))
     show = models.ForeignKey(Show, editable=False)
 
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