Revert "Update models.py to remove unnecessary code"

This reverts commit e2104a19

ysovera_music/homepage/models.py

@@ -5,6 +5,12 @@ class Artist(models.Model):
 	artist_name = models.CharField(max_length=200,unique=True)
 	monthly_listeners = models.IntegerField()
 
+	def __str__(self):
+		return '{}: {} listeners'.format(self.artist_name, self.monthly_listeners)
+
+	def get_absolute_url(self):
+		return reverse('artist_detail', args=[str(self.artist_name)])
+
 class Album(models.Model):
 	album_name = models.CharField(max_length=200)
 	artist = models.ForeignKey(