A decently featured microblogging web application written in Python and Flask
The tutorial referenced above explains how to setup a virtual environment with all the required modules.
As a convenience, the setup.py script will create this virtual environment for you. You can run this script again to refresh any missing modules.
The sqlite database must also be created before the application can run, and the db_create.py script takes care of that.
To run the application in the development web server just execute run.py with the Python interpreter from the flask virtual environment.
And runp.py is for production environment