Ansible Tower awx-manage error message “settings.DATABASES is improperly configured.”

If you’re trying to use `awx-manage` and you’re getting the following error:

raise ImproperlyConfigured("settings.DATABASES is improperly configured. "
  django.core.exceptions.ImproperlyConfigured: settings.DATABASES is improperly configured. Please supply the ENGINE value. Check settings documentation for more details.

Try running it as the awx or root user as per the suggestion here.