Merge branch '5-pipeline-with-unit-tests' of https://gitea.piribauer.ch/julian/Calabi-Yau-Period-Geometry into 5-pipeline-with-unit-tests

.gitea/workflows/ci.yml

@@ -29,7 +29,10 @@ jobs:
       - name: ruff check
         # --no-respect-gitignore: *.sage.py is gitignored (it's generated, see
         # the previous step) but that's exactly what we need to lint here.
-        run: sage --python -m ruff check --no-respect-gitignore .
+        # `python` here is the conda env's own interpreter -- it already has
+        # sage/ruff/pytest importable, `sage --python` isn't a real flag on
+        # the conda-forge sage CLI.
+        run: python -m ruff check --no-respect-gitignore .
 
   test:
     runs-on: ubuntu-latest
@@ -42,4 +45,4 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Run tests
-        run: sage --python -m pytest tests/
+        run: python -m pytest tests/