plot_directive: Avoid warning if plot_formats doesn't contain 'png'

mgeier · mgeier · commit db2a3b5e2f73 · 2019-03-08T11:27:52.000+01:00
diff --git 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 %}
 
 """
