A simple example of how a twisted/klein webserver is started from Kivy.
Clone code and change into directory
git clone https://github.com/lucasgerads/KivyTwistedKleinAuthentication.git
cd KivyTwistedKleinAuthentication
Create virtual environment
python3 -m venv venv
Activate virtual environment on Windows
.\venv\Scripts\activate
or Linux/macOS
source venv/bin/activate
Install dependencies
pip install -r requirements.txt
Run code
python3 main.py
Navigagate to http://localhost:8080/