change mimetype to content_type
diff --git a/planetstack/core/dashboard/views/analytics.py b/planetstack/core/dashboard/views/analytics.py
index 09d1bbc..e1794c1 100644
--- a/planetstack/core/dashboard/views/analytics.py
+++ b/planetstack/core/dashboard/views/analytics.py
@@ -1,9 +1,10 @@
 from view_common import *
+import random
 
 class DashboardAnalyticsAjaxView(View):
     def get(self, request, name="hello_world", **kwargs):
         if (name == "bigquery"):
             (mimetype, data) = DoPlanetStackAnalytics(request)
-            return HttpResponse(data, mimetype=mimetype)
+            return HttpResponse(data, content_type=mimetype)
         else:
-            return HttpResponse(json.dumps("Unknown"), mimetype='application/javascript')
+            return HttpResponse(json.dumps("Unknown"), content_type='application/javascript')