update python and use uv

.github/workflows/tests.yml

@@ -10,26 +10,17 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
       - uses: actions/checkout@v2
 
-      - uses: actions/setup-python@v2
-        with:
-          python-version: ${{ matrix.python-version }}
-          architecture: x64
+      - name: Install uv
+        uses: astral-sh/setup-uv@v3
 
-      - name: Install poetry
-        run: |
-          python -m pip install --upgrade pip
-          curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -
-          source $HOME/.poetry/env
-          poetry --version
+      - name: Set up Python ${{ matrix.python-version }}
+        run: uv python install ${{ matrix.python-version }}
 
       - name: Run tests
         run: |
-          source $HOME/.poetry/env
-          poetry run python --version
-          poetry install -v
-          poetry run pytest -s -vv --cov=padpo
+          uv run pytest -s -vv --cov=padpo