virtualenv 运行python 解决依赖冲突问题 尤其是django那种蛋疼的版本问题

1. Create a python virtual environment and install python dependencies.

   cd evalai
   virtualenv venv
   source venv/bin/activate  # run this command everytime before working on project
   pip install -r requirements/dev.txt
   

2. Change Postgresql credentials in settings/dev.py and run migrations

   Use your postgres username and password for fields USER and PASSWORD in dev.py file. After changing credentials, run migrations using the following command:

   even/bin/python manage.py migrate --settings=settings.dev