Running yaml formatter on the gitlab-ci file

.gitlab-ci.yml

@@ -17,19 +17,16 @@ lint_helm:
   image: alpine/helm
   stage: lint_helm
   script:
-     - echo "Linting Helm chart"
     - helm lint ./helm
   rules:
     - changes:
         - helm/*
 
-
 lint_python:
   image: python:alpine
   stage: lint_python
   script:
-     - echo "Linting Python code"
+    - pip install -q black && black --fast --check .
-     - pip install --upgrade -q pip && pip install -q black && black --fast --check .
   rules:
     - changes:
         - app/*