Replaced own country selection with django-countries package.

dav_events/models.py

@@ -6,6 +6,7 @@ from django.db import models
 from django.template.loader import get_template
 from django.utils import timezone
 from django.utils.translation import get_language, ugettext_lazy as _
+from django_countries.fields import CountryField
 
 from . import choices
 from . import config
@@ -59,8 +60,7 @@ class Event(models.Model):
     course_goal_6 = models.TextField(blank=True)
 
     # LocationForm
-    country = models.CharField(max_length=CHOICE_FIELD_MAX_LENGTH,
-                               choices=choices.COUNTRY_CHOICES)
+    country = CountryField()
     terrain = models.CharField(max_length=CHOICE_FIELD_MAX_LENGTH,
                                choices=choices.TERRAIN_CHOICES)
     location = models.CharField(max_length=config.LOCATION_MAX_LENGTH)