Use doc/requirements.txt

Create separate doc/requirements.txt file and use it, this shrinks
the list of requirements to install for a normal run.

Change-Id: I7c27f7f737657005ab6e370ae7e5dceb5a7073e7

1 files changed, 2 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index ddb811fcb..bc254f319 100644
--- a/tox.ini
+++ b/tox.ini
@@ -64,6 +64,8 @@ commands =
     coverage xml -o cover/coverage.xml
 
 [testenv:docs]
+deps = -r{toxinidir}/doc/requirements.txt
+       -r{toxinidir}/test-requirements.txt
 commands =
   sphinx-build -E -W -d doc/build/doctrees -b html doc/source/ doc/build/html