Just execute these commands in your virtualenv(wrapper):
pip install -r requirements.txt
python manage.py migrate --noinput
python manage.py loaddata initial_user
python manage.py loaddata initial_project_templates
python manage.py loaddata initial_role
python manage.py sample_dataTtaiga only runs with python 3.3+.
Initial auth data: admin/123123
If you want a complete environment for production usage, you can try taiga bootstraping scripts https://github.com/taigaio/taiga-scripts (warning: alpha state)