You need to know your boneIO installation path eg. ~/boneio Activate boneIO venv and upgrade app via pypi
sudo apt-get install libjpeg-dev zlib1g-dev
source ~/boneio/venv/bin/activate
pip3 install --upgrade pip
pip3 install --upgrade boneio
Read relase notes! https://github.com/boneIO-eu/app_black/releases/tag/v0.7.0