RE: http://www.revsys.com/blog/2014/nov/21/recommended-django-project-layout/

settings_development.py

# BAD:
from production import *

# Good (my personal preference):
from myproject.settings.production import *

# Good (probably your choice):
from .production import *

settings_production.py

# use immutable types for INSTALLED_APPS
PREREQ_APPS = (
   'django.contrib.auth',
   'django.contrib.contenttypes',
   …
   'debug_toolbar',
   'imagekit',
   'haystack',
)

PROJECT_APPS = (
   'homepage',
   'users',
   'blog',
)

# sum of two tuples is allowed, resulting in *new* tuple
INSTALLED_APPS = PREREQ_APPS + PROJECT_APPS

urls.py

# old method, when all views were functions. Still usable even with CBV (I use it)
urlpatterns = patterns('accounts.views',
    url('^login/$', 'login')  # view name is accounts.views.login
)


# calling patterns() isn't necessary in this case
from accounts.views import login
urlpatterns = patterns('',  
    url('^login/$', login)
)

# Simpler:
# Yes, urlpatterns *must* be a list
urlpatterns = [
    url('^login/$', login)
]