Fix formatting with black

.gitlab-ci.yml

@@ -31,12 +31,12 @@ lint:
   script:
     - source $VIRTUAL_ENV/bin/activate
     - pip install pre-commit black flake8
-    # Run pre-commit hooks
+    - >
-    - pre-commit run --all-files || (
+      pre-commit run --all-files || (
       echo "Auto-fixing formatting issues with black..." &&
-        black backend/ &&  # Fix formatting locally
+      black backend/ &&
-        git diff &&        # Show fixes in pipeline output
+      git diff &&
-        exit 1             # Fail the job to indicate changes are needed
+      exit 1
       )
 
 deploy: