diff --git a/symposion/conference/models.py b/symposion/conference/models.py
index 4bb6b8ce256d9787fd6b63c0afa4c01543a8b780..354403b67721257d53c9cb6b4cbec0d97ead383d 100644
--- a/symposion/conference/models.py
+++ b/symposion/conference/models.py
@@ -11,24 +11,24 @@ class Conference(models.Model):
     """
     the full conference for a specific year, e.g. US PyCon 2012.
     """
-    
+
     title = models.CharField(_("title"), max_length=100)
-    
+
     # when the conference runs
     start_date = models.DateField(_("start date"), null=True, blank=True)
     end_date = models.DateField(_("end date"), null=True, blank=True)
-    
+
     # timezone the conference is in
     timezone = TimeZoneField(_("timezone"), blank=True)
-    
+
     def __unicode__(self):
         return self.title
-    
+
     def save(self, *args, **kwargs):
         super(Conference, self).save(*args, **kwargs)
         if self.id in CONFERENCE_CACHE:
             del CONFERENCE_CACHE[self.id]
-    
+
     def delete(self):
         pk = self.pk
         super(Conference, self).delete()
@@ -36,7 +36,7 @@ class Conference(models.Model):
             del CONFERENCE_CACHE[pk]
         except KeyError:
             pass
-    
+
     class Meta(object):
         verbose_name = _("conference")
         verbose_name_plural = _("conferences")
@@ -48,19 +48,19 @@ class Section(models.Model):
     "Talks", "Expo", "Sprints", that may have its own review and
     scheduling process.
     """
-    
+
     conference = models.ForeignKey(Conference, verbose_name=_("conference"))
-    
+
     name = models.CharField(_("name"), max_length=100)
     slug = models.SlugField()
 
     # when the section runs
     start_date = models.DateField(_("start date"), null=True, blank=True)
     end_date = models.DateField(_("end date"), null=True, blank=True)
-    
+
     def __unicode__(self):
         return "%s %s" % (self.conference, self.name)
-    
+
     class Meta(object):
         verbose_name = _("section")
         verbose_name_plural = _("sections")