doc: update packages for compiling on ubuntu 20.04
@@ -42,7 +42,7 @@ First, you need to have Python 3.6 installed. If you don't, we recommend you to
```
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt update
- sudo apt install python3.6 python3.6-dev python3.6-pip build-essential
+ sudo apt install python3 python3-dev python3-pip build-essential liblz4-dev libbz2-dev libsnappy-dev
pip install -U poetry
```
