old_contents: INSTALLED_APPS += (
      'bootstrap3',
      'django_admin_bootstrapped',
      'django.contrib.admin',
      'django.contrib.admindocs',
      # 'south',  # Do not work in SAE
      # 'mptt',
      # 'treenav',
      # 'background_task',
      # 'django_cron',  # Do not work in SAE
      'jquery_ui',
      # 'provider',
      # 'provider.oauth2',
      'simplemenu',
      'webmanager',
  )
  
  TEMPLATE_CONTEXT_PROCESSORS = (
      'django.contrib.auth.context_processors.auth',
  )
  
  ROOT_URLCONF = 'webmanager.urls'
  
  AUTHENTICATION_BACKENDS += ('django.contrib.auth.backends.ModelBackend', 'guardian.backends.ObjectPermissionBackend')
  
  ANONYMOUS_USER_ID = -1
  
  
  
new_contents: INSTALLED_APPS += (
      'bootstrap3',
      'django_admin_bootstrapped',
      'django.contrib.admin',
      'django.contrib.admindocs',
      # 'south',  # Do not work in SAE
      # 'mptt',
      # 'treenav',
      # 'background_task',
      # 'django_cron',  # Do not work in SAE
      'jquery_ui',
      # 'provider',
      # 'provider.oauth2',
      'simplemenu',
      'webmanager',
  )
  
  TEMPLATE_CONTEXT_PROCESSORS = (
      'django.contrib.auth.context_processors.auth',
  )
  
  
  AUTHENTICATION_BACKENDS += ('django.contrib.auth.backends.ModelBackend', 'guardian.backends.ObjectPermissionBackend')
  
  ANONYMOUS_USER_ID = -1
  
  
  
subject: Remove incorrect settings.