Fix build docs

.github/workflows/docs.yml

@@ -17,6 +17,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: 'true'
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -31,6 +33,14 @@ jobs:
           if [ -f requirements-dev.txt ]; then pip install -r requirements-dev.txt; fi
           if [ -f requirements-docs.txt ]; then pip install -r requirements-docs.txt; fi
 
+      - name: Build
+        run: |
+          python -m build
+
+      - name: Install
+        run: |
+          python -m pip install dist/*.whl
+
       - name: Build docs
         run: |
           mkdir -p _static