In a terminal :
pip install -r requirements.txtor with Pipenv :
pipenv installTWITTER_CONSUMER_KEY=<your_token_here> \
TWITTER_CONSUMER_SECRET=<your_token_here> \
TWITTER_ACCESS_TOKEN_KEY=<your_token_here> \
TWITTER_ACCESS_TOKEN_SECRET=<your_token_here> \
python main.py