example: silence Django 1.7 system check

example/example/settings.py

@@ -1,3 +1,4 @@
+import django
 import os
 
 DEBUG = True
@@ -74,6 +75,9 @@ INSTALLED_APPS = (
     'pexp',             # this Django app is for testing and experimentation; not needed otherwise
 )
 
+if django.VERSION >= (1,7):
+    TEST_RUNNER = 'django.test.runner.DiscoverRunner'  # silence system checks
+
 # Logging configuration
 LOGGING = {
     'version': 1,