Update python-app.yml

.github/workflows/python-app.yml

@@ -22,7 +22,7 @@ jobs:
       run: |
         pip install --upgrade pip
         pip install sphinx==3.2.1
-        pip install -e '.[dev]'
+        # pip install -e '.[dev]'
     - name: Build docs
       working-directory: ./
       run: |