From 1d55d73be8814f7fbd8c3f7313dac5d67260fe2e Mon Sep 17 00:00:00 2001
From: Marnanel Thurman <marnanel@thurman.org.uk>
Date: Tue, 21 May 2019 18:05:37 +0100
Subject: [PATCH] enhance error message

---
 django_kepi/views.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/django_kepi/views.py b/django_kepi/views.py
index 1eaf35e..b311e18 100644
--- a/django_kepi/views.py
+++ b/django_kepi/views.py
@@ -52,7 +52,9 @@ class KepiView(django.views.View):
          Override this method in your subclass. In KepiView
          it's abstract.
         """
-        raise NotImplementedError("implement activity() in a subclass")
+        raise NotImplementedError("implement activity() in a subclass: %s" % (
+            self.__class__,
+            ))
 
     def get(self, request, *args, **kwargs):
         """