Fix pipeline

.github/workflows/docs.yml

@@ -35,7 +35,8 @@ jobs:
             - id: install-deps-and-build
               name: Install dependencies and test
               run: |
-                pip install -r requirements.txt
+                pip install -e .
+                pip install -e .[doc]
                 mkdocs build --site-dir build
 
             - name: Setup Pages