Adding a lint phase to the ci/cd pipeline. This should fail because animals.py is not formatted properly according to black

.gitlab-ci.yml

@@ -9,8 +9,18 @@ variables:
   DOCKER_DRIVER: overlay2
 
 stages:
+  - test
   - deploy
 
+
+lint_python_on_merge_request:
+    image: python:alpine
+    stage: test
+    script:
+     - echo "Linting Python code"
+     - pip install black && black --fast --check .
+
+
 build_and_push_container:
   stage: deploy
   script:

app/animals.py

@@ -9,9 +9,7 @@ import get_from_reddit
 def get_red_panda():
     red_panda = None
     while not red_panda:
-        red_panda = requests.get("https://some-random-api.ml/img/red_panda").json()[
-            "link"
-        ]
+        red_panda = requests.get("https://some-random-api.ml/img/red_panda").json()["link"]
     return red_panda