Upgrade 2

Author: claucece

.github/workflows/python-app.yml

@@ -25,6 +25,7 @@ jobs:
         python-version: "3.12"
     - name: Install dependencies
       run: |
+        sudo apt-get update
         python -m pip install --upgrade pip
         pip install flake8 pytest
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi