A number of Django database related items replaced by DATABASES.
A number of Django database related items replaced by DATABASES.

They became deprecated since Django 1.2. It is described in the documentation:
https://docs.djangoproject.com/en/1.2/ref/settings/#s-deprecated-settings

I suppose that dictionary format was introduced, as Django may support more than one database backend.

rhyolight/nupic.son,rhyolight/nupic.son,rhyolight/nupic.son