upps, it's not the main branch in documentation.yml

Author: ray-chew

.github/workflows/documentation.yml

@@ -19,15 +19,14 @@ jobs:
       - name: Install dependencies
         run: |
           pip install -r dev-requirements.txt
-          pip install .
       - name: Sphinx build
         run: |
-          sphinx-build docs/source .
+          sphinx-build docs/source _build
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
-        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/develop' }}
         with:
           publish_branch: gh-pages
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: .
+          publish_dir: _build/
           force_orphan: true