Setup python

.github/workflows/deploy-docs.yml

@@ -9,11 +9,14 @@ jobs:
     name: Deploy docs
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout master
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
       - name: Install Mkdocs
         run: |
-          python -m pip install --upgrade pip
+          python3 -m pip install --upgrade pip
           pip install mkdocs
       - name: Deploy docs
-        run: python -m mkdocs gh-deploy
+        run: mkdocs gh-deploy