Fixing pytest command

Author: erikvansebille

.github/workflows/unit_tests.yml

@@ -25,7 +25,7 @@ jobs:
           environment-name: py3_parcels
       - name: Unit test
         run: |
-          coverage run -m python -m pytest -v -s tests
+          coverage run -m pytest -v -s tests
           coverage xml
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v4.0.1