attempt to fix

tournaments/views.py

@@ -359,8 +359,10 @@ def tournament_matches_json(request, tournament_id):
     matches, group_stages = tournament.broadcasted_matches_and_group_stages()
     live_matches = [match.live_match() for match in matches]
 
-    data = json.dumps(live_matches, default=vars)
-    return HttpResponse(data, content_type='application/json')
+    live_matches_dicts = [match.live_match().to_dict() for match in matches]
+
+    # data = json.dumps(live_matches, default=vars)
+    return HttpResponse(live_matches_dicts, content_type='application/json')
 
 def tournament_prog_json(request, tournament_id):
     tournament = get_object_or_404(Tournament, pk=tournament_id)