feat: add pytest-asyncio to requirements and update CI to install it; refactor geninfo parsing logic

.github/workflows/ci-python.yml

@@ -22,7 +22,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-          pip install pytest
+          pip install pytest pytest-asyncio
       - name: Run tests
         run: |
           python -m pytest -q