docs: Depend on sphinx_rtd_theme

As of Sphinx 1.4, it is no longer a transitive dependency, so we need to depend on it explicitly.
2016-04-01 08:12:29 +02:00 · 2016-04-01 08:12:29 +02:00 · df0d534a56
commit df0d534a56
parent d51b283c26
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--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@ -1,2 +1,3 @@
 Sphinx >= 1.0
 sphinx_rtd_theme
 pygraphviz