install poetry

.github/workflows/os-tests.yml

@@ -17,6 +17,9 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
+    - name: Install poetry
+      run: pipx install poetry
+
     - name: Set up Python ${{ env.python-version }}
       uses: actions/setup-python@v5
       with:

.github/workflows/run-pytest.yml

@@ -14,6 +14,8 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
     steps:
     - uses: actions/checkout@v4
+    - name: Install poetry
+      run: pipx install poetry
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with: