[setup] Fix package requirements

ffb4adca · André Anjos · 70f21c41 · ffb4adca
Commit ffb4adca authored 8 years ago by André Anjos
--- a/setup.py
+++ b/setup.py
@@ -61,6 +61,7 @@ setup(
      "oset",
      "termcolor",
      "sphinx",
+      "sphinx-rtd-theme",
      "sphinxcontrib-ansi",
      "sphinxcontrib-programoutput",
    ],