Pytest+WebDriver is my second preference, it is quite similar to my first one (RSpec + WebDriver). If all your team members (including BA/manual testers are comfortable with Python indenting), then it could well be the best option for you.
Also, a note with efficiency. The tool you use must support attaching selected test steps against the current browser, for more, please read this article: https://python.plainenglish.io/attach-selenium-python-test-steps-against-an-existing-browser-4395fe8a0998