fix: use the linter checks for code formatting (#233)

.github/workflows/check-format.yml

@@ -20,9 +20,7 @@ jobs:
         python-version: '3.x'
     - name: Install dependencies
       run: |
-        pip install --upgrade pip
-        pip install flake8 black
+        pip install tox
     - name: Run code format checks
       run: |
-        black --check .
-        flake8
+        tox -e linters_check