From 05eeca0307adbb61010cdc76660891a39351df85 Mon Sep 17 00:00:00 2001
From: iLLiCiTiT <jakub.trllo@gmail.com>
Date: Mon, 5 Oct 2020 19:11:40 +0200
Subject: [PATCH] validate index

---
 pype/tools/pyblish_pype/view.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pype/tools/pyblish_pype/view.py b/pype/tools/pyblish_pype/view.py
index b4a7d1fe5b..11a6217712 100644
--- a/pype/tools/pyblish_pype/view.py
+++ b/pype/tools/pyblish_pype/view.py
@@ -178,6 +178,8 @@ class InstanceView(OverviewView):
             self.collapse(index)
 
     def group_toggle(self, index):
+        if not index.isValid():
+            return
         model = index.model()
 
         chilren_indexes_checked = []