From 85cf47fc92629b2baa4e04dd08da6eabac3c9cba Mon Sep 17 00:00:00 2001
From: Florian Gilbert <flg@odoo.com>
Date: Thu, 26 Sep 2019 12:43:44 +0000
Subject: [PATCH] [FIX] Web controllers: quick fix for just keep number in
 aggregated_values

---
 addons/web/controllers/main.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/addons/web/controllers/main.py b/addons/web/controllers/main.py
index 355ce5a9418..ade8e40a270 100644
--- a/addons/web/controllers/main.py
+++ b/addons/web/controllers/main.py
@@ -646,6 +646,11 @@ class GroupsTreeNode:
         count = group.pop('__count')
         aggregated_values = group
 
+        keys = list(aggregated_values)
+        for key in keys:
+            if not isinstance(aggregated_values[key], (int, float)):
+                del aggregated_values[key]
+
         records = self._model.search(domain, offset=0, limit=False, order=False)
 
         # Follow the path from the top level group to the deepest