Fix #1

.github/workflows/tests.yml

@@ -30,10 +30,12 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Install the code linting and formatting tool Ruff
+      run: |
+        pipx install ruff
     - name: Lint with Ruff
       run: |
-        pip install ruff
-        ruff --output-format=github .
+        ruff check --output-format=github .
     - name: Test with example.csv
       run: |
         python csv2ical.py sample.csv test.ics