Update pytester.yml

.github/workflows/pytester.yml

@@ -13,16 +13,16 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Set up Python 3.10
+      - name: Set up Python 3.11.4
         uses: actions/setup-python@v2
         with:
           python-version: 3.11.4
 
-      - name: Install dependencies
+      - name: Install dependencies and pytest
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
-
+          python -m pip install pytest
+          python -m pip install -r requirements.txt
       - name: Test with pytest
         run: |
           pytest