OpenCV setup

.github/workflows/python-package.yml

@@ -29,6 +29,8 @@ jobs:
           python -m pip install --upgrade pip
           python -m pip install --upgrade swarms
           python -m pip install flake8 pytest swarms
+          sudo apt-get update
+          sudo apt-get install -y python3-opencv
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
       - name: Lint with flake8
         run: |