If you have docker, try this:
cat <<EOF > /tmp/docker-init.sh
apt update && apt install python3-pip ffmpeg git -y
git clone https://gist.github.com/kpe/6a70395ce171ffee43d927eaf90b81b6 /tmp/whisper
cd /tmp/whisper
pip3 install -r requirements.txt
python3 -m whisper_demo