tries fixing docs handling

.github/workflows/deploy-docs.yml

@@ -10,18 +10,17 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7]
+        python-version: [3.9]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
         pip install sphinx sphinx-rtd-theme
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+	pip install .
     - name: Build docs
       run: |
         scripts/doc