From db2a3b5e2f733d2bee84d66843e3f8ae1a145263 Mon Sep 17 00:00:00 2001
From: Matthias Geier <Matthias.Geier@gmail.com>
Date: Fri, 8 Mar 2019 11:27:52 +0100
Subject: [PATCH] plot_directive: Avoid warning if plot_formats doesn't contain
 'png'

---
 lib/matplotlib/sphinxext/plot_directive.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/matplotlib/sphinxext/plot_directive.py b/lib/matplotlib/sphinxext/plot_directive.py
index 1ab5aa5e17dd..aa2cc6c6f564 100644
--- a/lib/matplotlib/sphinxext/plot_directive.py
+++ b/lib/matplotlib/sphinxext/plot_directive.py
@@ -419,11 +419,13 @@ def remove_coding(text):
 {{ only_texinfo }}
 
    {% for img in images %}
+   {% if 'png' in img.formats -%}
    .. image:: {{ build_dir }}/{{ img.basename }}.png
       {% for option in options -%}
       {{ option }}
       {% endfor %}
 
+   {% endif -%}
    {% endfor %}
 
 """