Add fix for conda missing import

.github/workflows/python-website.yml

@@ -26,6 +26,7 @@ jobs:
         echo $CONDA/bin >> $GITHUB_PATH
     - name: Install dependencies
       run: |
+        conda install -y python=3.11
         conda env update --file environment-min.yml --name base
     - name: Lint with flake8
       run: |