Fix formatting with black

.flake8

@@ -0,0 +1,3 @@
+[flake8]
+max-line-length = 88
+exclude = .git,__pycache__,venv,.venv

.gitlab-ci.yml

@@ -30,8 +30,14 @@ lint:
   stage: test
   script:
     - source $VIRTUAL_ENV/bin/activate
-    - pip install pre-commit
-    - pre-commit run --all-files || (echo "Auto-fixing formatting issues" && black backend/ && git diff && exit 1)
+    - pip install pre-commit black flake8
+    # Run pre-commit hooks
+    - pre-commit run --all-files || (
+        echo "Auto-fixing formatting issues with black..." &&
+        black backend/ &&  # Fix formatting locally
+        git diff &&        # Show fixes in pipeline output
+        exit 1             # Fail the job to indicate changes are needed
+      )
 
 deploy:
   stage: deploy

.pre-commit-config.yaml

@@ -1,16 +1,14 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 23.7.0
+    rev: 23.7.0  # Use the latest stable release
     hooks:
       - id: black
-        args: [--diff]  # Run with `--diff` in CI to avoid unnecessary changes
-        always_run: true  # Always run this hook, even if nothing was staged
-      - id: black
-        args: [--quiet]
-        stages: [commit]  # Recommend full reformat for local development only
+        args: ["--check"]
+        pass_filenames: false  # Ensures it lints every file, even if staged differently
+        always_run: true       # Always runs regardless of file changes
 
   - repo: https://github.com/pycqa/flake8
-    rev: 6.1.0  # Use the latest stable version
+    rev: 6.1.0  # Use the latest stable release
     hooks:
       - id: flake8
         args: []