Moves the new line to the correct location

Author: StuntsPT

.gitlab-ci.yml

@@ -3,7 +3,6 @@ stages:
 #  - deployment
 
 image: python:3.5-slim-jessie
-  - apt-get install xz-utils
 
 # Change pip's cache directory to be inside the project directory since we can
 # only cache local items.
@@ -23,6 +22,7 @@ cache:
 tests:
     stage: tests
     script:
+      - apt-get install xz-utils
       - python -V               # Print out python version for debugging
       - pip install virtualenv
       - virtualenv venv