Python 3.9

Author: alejoe91

.github/workflows/test_containers_singularity.yml

@@ -18,12 +18,16 @@ jobs:
     steps:
       - uses: actions/checkout@v3
         with:
-          python-version: 3.8
+          python-version: "3.9"
 
       - uses: eWaterCycle/setup-singularity@v7
         with:
           singularity-version: 3.8.3
 
+      - name: Python version
+        run: |
+          python --version
+
       - name: Install dependencies
         run: |
           pip install tridesclous