CI set up Pypy 3.9

Author: ddugovic

.github/workflows/python-app.yml

@@ -15,11 +15,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.8
-      uses: actions/setup-python@v2
+    - uses: actions/checkout@v3
+    - name: Set up Pypy 3.9
+      uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 'pypy3.9'
+        cache: 'pip' # caching pip dependencies
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -33,4 +34,4 @@ jobs:
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Test
       run: |
-        cd tests && python clean_draws.py
+        bash tools/quick_tests.sh ./sunfish.py