As mentioned virtualenv is optional but recommended as it will help to keep your global environment clean.
Now clone this repository using git clone https://github.com/rohilsurana/cs223-tpa.git. In case you dont have git installed you can download the source zip from github page.
Now enter the following commands after replacing the directory path to which you have cloned the source
$ cd /path/to/src/
$ virtualenv venv
$ source venv/bin/activate
$ cd oem
$ pip install -r requirements.txt
# As we already have a db file in place you dont need to migrate and do all that stuff
$ python manage.py runserver
And you have the web app up and running. To test it visit 127.0.0.1:8000 or localhost:8000