Change to py3

.gitlab-ci.yml

@@ -2,7 +2,7 @@ image: ubuntu
 
 before_script:
   - apt-get -qq update -y && apt-get -qq upgrade -y
-  - apt-get -qq install -y python-pip python-dev build-essential
+  - apt-get -qq install -y python3-pip python3-dev build-essential
   - pip install --upgrade pip
   - pip install virtualenv