Use single quotes.

diff --git a/data/models.py b/data/models.py
index 93ef724..7083561 100644 (file)
--- a/data/models.py
+++ b/data/models.py
@@ -12,4 +12,4 @@ class Group(models.Model):
        artists = models.ManyToManyField(Artist)
 
        def __unicode__(self):
-               return self.name + " (" + self.website + ")"
+               return self.name + ' (' + self.website + ')'