Use render shortcut instead of render_to_response.

defender/utils.py

@@ -2,8 +2,7 @@ import logging
 
 from django.http import HttpResponse
 from django.http import HttpResponseRedirect
-from django.shortcuts import render_to_response
-from django.template import RequestContext
+from django.shortcuts import render
 from django.core.validators import validate_ipv46_address
 from django.core.exceptions import ValidationError
 
@@ -251,8 +250,7 @@ def lockout_response(request):
             'cooloff_time_minutes': config.COOLOFF_TIME / 60,
             'failure_limit': config.FAILURE_LIMIT,
         }
-        return render_to_response(config.LOCKOUT_TEMPLATE, context,
-                                  context_instance=RequestContext(request))
+        return render(request, config.LOCKOUT_TEMPLATE, context)
 
     if config.LOCKOUT_URL:
         return HttpResponseRedirect(config.LOCKOUT_URL)

defender/views.py

@@ -1,5 +1,4 @@
-from django.shortcuts import render_to_response
-from django.template import RequestContext
+from django.shortcuts import render
 from django.http import HttpResponseRedirect
 from django.core.urlresolvers import reverse
 from django.contrib.admin.views.decorators import staff_member_required
@@ -16,9 +15,7 @@ def block_view(request):
 
     context = {'blocked_ip_list': blocked_ip_list,
                'blocked_username_list': blocked_username_list}
-    return render_to_response(
-        'defender/admin/blocks.html',
-        context, context_instance=RequestContext(request))
+    return render(request, 'defender/admin/blocks.html', context)
 
 
 @staff_member_required