Try to use gif aafig on rtd.

tony · tony · commit b3e66e2add77 · 2016-01-21T00:11:32.000-06:00
diff --git a/doc/conf.py b/doc/conf.py
@@ -281,7 +281,7 @@
 intersphinx_mapping = {'http://docs.python.org/': None}
 
 # aafig format, try to get working with pdf
-aafig_format = dict(latex='pdf', html='svg')
+aafig_format = dict(latex='pdf', html='gif')
 
 aafig_default_options = dict(
     scale=.75,
