static files redone

core/models_caves.py

@@ -15,7 +15,7 @@ from django.contrib.auth.models import User
 from django.contrib.contenttypes.models import ContentType
 from django.db.models import Min, Max
 from django.conf import settings
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.template import Context, loader
 
 from troggle.core.models import TroggleModel, Person, Expedition