Fix redis Python libray to 2.10.6

Spot project does not work with the new Python client redis 3.X

Fix redis Python libray to 2.10.6
Spot project does not work with the new Python client redis 3.X
0adf7bb1 · Nicolas Gelot · 51d590ea · 0adf7bb1
Commit 0adf7bb1 authored Jan 07, 2019 by Nicolas Gelot
--- a/requirements.txt
+++ b/requirements.txt
-redis
+redis==2.10.6
 certifi==2017.11.5
 flask==1.0.2
 flask-babel==0.11.2