Django 1.7.4 support issue

[MathewLi9527]

Does it support django 1.7.4 to connect to the mongodb database?
When I do as the documentation, the following error occurs:
settings.DATABASES is improperly configured. Please supply the ENGINE value. Check settings documentation for more details.
Thank you!

[mmellison]

Label and close as part of Django split. See #973.