From d8bbe1da93433cf7440d780c7cb4a627c3cbd635 Mon Sep 17 00:00:00 2001
From: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Date: Fri, 1 Jun 2018 16:55:37 +1200
Subject: [PATCH] python/graph: don't crash colourer on bad link

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
---
 python/samba/graph.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/python/samba/graph.py b/python/samba/graph.py
index 17626e0a361..0c389a74e3a 100644
--- a/python/samba/graph.py
+++ b/python/samba/graph.py
@@ -517,6 +517,8 @@ def get_transitive_colourer(colours, n_vertices):
         n = 1 + int(n_vertices ** 0.5)
 
         def f(link):
+            if not isinstance(link, int):
+                return ''
             return scale[min(link * m // n, m - 1)]
 
     else:
-- 
2.34.1