CI: Run ruff checks

Author: dbrgn

.github/workflows/ci.yml

@@ -46,3 +46,17 @@ jobs:
         run: pip install black~=25.1
       - name: Check code formatting
         run: black --check .
+
+  lint:
+    runs-on: ubuntu-24.04
+    name: Run linting with ruff
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.12
+      - name: Install ruff
+        run: pip install ruff~=0.11.2
+      - name: Run linter
+        run: ruff check

README.rst

@@ -124,13 +124,7 @@ Then run the tests:
 Coding Guidelines
 =================
 
-`PEP8 <http://www.python.org/dev/peps/pep-0008/>`__ via `flake8
-<https://pypi.python.org/pypi/flake8>`_ with ``max-line-width`` set to 99 and
-``E126-E128,C901`` ignored::
-
-    flake8 --max-line-length=99 --ignore=E126,E127,E128,C901 RPLCD/lcd.py
-
-Additionally, please reformat your code using `black <https://black.readthedocs.io/>`_::
+Please reformat your code using `black <https://black.readthedocs.io/>`_::
 
     black .