brew install pyenv'

vim .bash_profile
Add the following code into the file:

export PATH="$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"

Then run:
source .bash_profile

pyenv install 3.8.5
pyenv virtualenv 3.8.5 dataLabeling

pyenv activate dataLabeling

https://github.com/basketduck/dataLabeling/

Change the working path to the cloned local repository, where includes requirements.txt.
Run the following code:
pip uninstall -ry requirements.txt
pip install -r requirements.txt

python manage.py runserver

http://127.0.0.1:8000/engine/dotVis