fix yml

.gitlab-ci.yml

 image: python:3.9
 
+before_script:
+  - pip install -r requirements.txt
+
 stages:
-  - build
   - test
-  - export
+  - build
 
 # Build stage
 build:
   stage: build
   script:
-    - pip install -r requirements.txt
     - python machine_learning.py
+  artefacts:
+    paths:
+      - digits_model.joblib
 
 # Test stage
 test:
   stage: test
   script:
-    - pip install -r requirements.txt
-    - pytest test_prediction.py
-
-# Export stage
-export:
-  stage: export
-  script:
-    - mv digits_model.joblib artifacts/
\ No newline at end of file
+    - pytest test_prediction.py
\ No newline at end of file