ruff for linting

.github/workflows/python-package.yml

@@ -27,7 +27,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install --group dev -e .
-    - name: Lint with flake8
+    - name: Lint with ruff 
       run: |
         ruff check src/
     - name: Test with pytest

pyproject.toml

@@ -43,7 +43,7 @@ Repository = "https://github.com/iluvcapra/pycmx.git"
 Tracker = "https://github.com/iluvcapra/pycmx/issues" 
 
 [dependency-groups]
-dev = ['ruff']
+dev = ['ruff', 'pytest']
 doc = ['sphinx', 'sphinx_rtd_theme']