Changing to ruff linter

.github/workflows/python-package.yml

@@ -29,12 +29,9 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest
         pip install -e .
-    - name: Lint with flake8
+    - name: Lint with ruff
       run: |
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 src/ptulsconv tests --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings.
-        flake8 src/ptulsconv tests --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+        ruff check src
     - name: Test with pytest
       run: |
         pytest