From 1779c12b36f5a4ddd08ac840d601ce5bba53f7e9 Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Mon, 6 Jan 2020 09:02:31 -0500
Subject: [PATCH] Backport PR #16113: Renderer Graphviz inheritance diagrams as
 svg

---
 doc/conf.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/conf.py b/doc/conf.py
index a3423f01a740..dbdbd0ee9278 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -367,6 +367,8 @@ def _check_dependencies():
 
 inheritance_node_attrs = dict(fontsize=16)
 
+graphviz_output_format = 'svg'
+
 
 def setup(app):
     if any(st in version for st in ('post', 'alpha', 'beta')):