virtualenv -p python3 venv/
source venv/bin/activate
pip3 install -r requirements.txt
python3 latex-on-http/app.py

virtualenv -p python3 venv/
venv/bin/pip3 install -r requirements.txt
venv/bin/python3 latex-on-http/app.py

Make direct reference to virtualenv venv/ binaries
Make direct reference to virtualenv venv/ binaries
