preview with poetry 2

Author: TimotheeMathieu

.github/workflows/preview.yml

@@ -51,10 +51,12 @@ jobs:
       - name: Install dependencies and build doc
         run: |
           set +e
+          cd main
           poetry install --all-extras --with dev --sync
-          sphinx-build main/docs _build
+          poetry run sphinx-build docs ../_build
           echo "exitcode=$?" >> $GITHUB_ENV
-
+          cd ..
+          
       - uses: actions/checkout@v4
         with:
           # This is necessary so that we have the tags.