Merge pull request #210 from drexin/patch-6

Install python3 package in CentOS 7 nightly-main

Author: shahmishal

nightly-main/centos/7/Dockerfile

@@ -14,6 +14,7 @@ RUN yum install shadow-utils.x86_64 -y \
   libstdc++-static \
   pkg-config \
   python2 \
+  python3 \
   sqlite \
   zlib-devel