Anpassungen des Codes an Django 1.11 mit Python 3

Grapelli wurde entfernt, das neue Django Admin ist hübsch genug.

src/events/models.py

@@ -135,7 +135,7 @@ class Event(models.Model):
         verbose_name_plural = _('Events')
         ordering = ('start', 'end',)
 
-    def __unicode__(self):
+    def __str__(self):
         try:
             return "%(name)s (%(date)s)" % {'name': self.name,
                                             'date': self.start.date()}
@@ -235,7 +235,7 @@ class Location(models.Model):
         verbose_name = _('Venue')
         verbose_name_plural = _('Venues')
 
-    def __unicode__(self):
+    def __str__(self):
         return self.name
 
     @property
@@ -306,7 +306,7 @@ class Photo(models.Model):
         verbose_name = _('Event Image')
         verbose_name_plural = _('Event Images')
 
-    def __unicode__(self):
+    def __str__(self):
         return os.path.basename(self.image.name)
 
     def rotate(self, rotate):