old_contents: import environ
  from base_settings import *
  
  current = environ.Path(__file__)
  root = current - 3  # three folder back (/a/b/c/ - 3 = /)
  project_root = current - 2
  
  env = environ.Env(DEBUG=(bool, False),)  # set default values and casting
  
  SECRET_KEY = env('SECRET_KEY')
  
  DEBUG = env('DEBUG')  # False if not in os.environ
  
  DATABASES = {
      'default': env.db(),
  }
  
  ALLOWED_HOSTS = env.list('ALLOWED_HOSTS')
  
  STATIC_ROOT = project_root.path('static')
  STATIC_URL = '/static/'
  
new_contents: import environ
  from base_settings import *
  
  current = environ.Path(__file__)
  root = current - 3  # three folder back (/a/b/c/ - 3 = /)
  project_root = current - 2
  
  env = environ.Env(DEBUG=(bool, False),)  # set default values and casting
  
  SECRET_KEY = env('SECRET_KEY')
  
  DEBUG = env('DEBUG')  # False if not in os.environ
  
  DATABASES = {
      'default': env.db(),
  }
  
  ALLOWED_HOSTS = env.list('ALLOWED_HOSTS')
  
  STATIC_ROOT = project_root('static')
  STATIC_URL = '/static/'
  
subject: fix STATIC_ROOT