[spp] [PATCH 2/3] project: update requirements.txt for pip3

[ogawa.yasufumi at lab.ntt.co.jp]

From: Yasufumi Ogawa <ogawa.yasufumi at lab.ntt.co.jp>

As python2 support is removed, add packages install for SPP CLI and
docs.

* pyyaml
* tornado
* websocket-client
* sphinx-rtd-theme

Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi at lab.ntt.co.jp>
---
 requirements.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/requirements.txt b/requirements.txt
index 7d0b774..f31beb8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,11 @@
 eventlet
 bottle
 netaddr
+
+# SPP CLI
+pyyaml
+tornado
+websocket-client
+
+# docs
+sphinx-rtd-theme
-- 
2.17.1