Update docs requirement to fix RTD build

diff --git a/docs/requirements.txt b/docs/requirements.txt
index 334534d..48c4ffb 100644 (file)
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,8 @@
+PyYAML==3.11  # avoid conflict with jujubundlelib
+websockets
+pyyaml
+theblues
+python-dateutil
 sphinx
 sphinxcontrib-asyncio
 sphinx_rtd_theme