Linux Hint published a tutorial about installing Flask for Arch Linux.
How to Install Flask for Arch Linux
The Flask framework allows you to create web-based applications using Python. Inside a python environment, one can install Flask to work on the back-end coding of the web applications. This article briefly demonstrates how the Flask framework can be installed for Arch Linux. Apart from this, you would also learn to create and activate a virtual environment for using the flask environment on Arch Linux.