Python 3 Virtualenv

---

examples/pipelines/python3-virtualenv/.gitlab-ci.yml

image: python:3.9
try:
  script:
    - printenv | sort
    - apt-get update
    - apt-get install -y virtualenv
    - virtualenv -p python3 venv
    - source venv/bin/activate
    - pip install flask
    - python --version