tidy render() calls

core/views_statistics.py

@@ -5,7 +5,7 @@ from collections import OrderedDict
 
 import django.db.models
 from django.db.models import Min, Max
-from django.shortcuts import render, render_to_response
+from django.shortcuts import render
 from django.template import Context, loader
 from django.template.defaultfilters import slugify
 from django.utils import timezone