diff --git a/panoramix/viz.py b/panoramix/viz.py
index ca3ba099ceaba..e20eaa0af3fa0 100644
--- a/panoramix/viz.py
+++ b/panoramix/viz.py
@@ -170,6 +170,9 @@ def get_json(self):
         }
         return json.dumps(payload)
 
+    def get_json_data(self):
+        return json.dumps([])
+
 class TableViz(BaseViz):
     verbose_name = "Table View"
     template = 'panoramix/viz_table.html'