altair flask gunicorn huggingface_hub langchain python-dotenv Requests #https://pypi.org/project/requests/ #import requests #r = requests.get('https://httpbin.org/basic-auth/user/pass', auth=('user', 'pass')) #r.status_code #r.headers['content-type'] #r.encoding #r.text #r.json() #python -m pip install requests