Google new recaptcha , I am not robot. Flask example.
pip install -r requirements.txt
Edit app.py line 7,8 to your api key.
# Change to your site key and secret key.
# Check https://www.google.com/recaptcha/intro/index.html
SITE_KEY = '6LfX2v4SAAAAAE22aaDg*********************'
SECRET_KEY = '6LfX2v4SAAAAAHSlw9*********************'
python app.py