old_contents: INSTALLED_APPS += (
      'simplemenu',
      'webmanager',
      'bootstrapform',
      'userenabootstrap',
      'userena',
      # 'social_auth',
      'provider.oauth2',
  )
  
  TEMPLATE_CONTEXT_PROCESSORS = (
      'django.contrib.auth.context_processors.auth',
  )
  
  AUTHENTICATION_BACKENDS += ('django.contrib.auth.backends.ModelBackend',
                              'guardian.backends.ObjectPermissionBackend')
  
  ANONYMOUS_USER_ID = -1
  
  AUTH_PROFILE_MODULE = 'webmanager.MyProfile'
  
  USERENA_SIGNIN_REDIRECT_URL = '/accounts/%(username)s/'
  LOGIN_URL = '/accounts/signin/'
  LOGOUT_URL = '/accounts/signout/'
  
  #EMAIL_BACKEND = 'django.core.mail.backends.dummy.EmailBackend'
  
  USERENA_ACTIVATION_REQUIRED = False
  USERENA_SIGNIN_AFTER_SIGNUP = True
  
new_contents: INSTALLED_APPS += (
      'simplemenu',
      'webmanager',
      'bootstrapform',
      'userenabootstrap',
      'userena',
      # 'social_auth',
      'provider.oauth2',
  )
  
  TEMPLATE_CONTEXT_PROCESSORS += (
      'django.contrib.auth.context_processors.auth',
  )
  
  AUTHENTICATION_BACKENDS += (
      'userena.backends.UserenaAuthenticationBackend',
      'django.contrib.auth.backends.ModelBackend',
      'guardian.backends.ObjectPermissionBackend'
  )
  
  ANONYMOUS_USER_ID = -1
  
  AUTH_PROFILE_MODULE = 'webmanager.MyProfile'
  
  USERENA_SIGNIN_REDIRECT_URL = '/accounts/%(username)s/'
  LOGIN_URL = '/accounts/signin/'
  LOGOUT_URL = '/accounts/signout/'
  
  #EMAIL_BACKEND = 'django.core.mail.backends.dummy.EmailBackend'
  
  USERENA_ACTIVATION_REQUIRED = False
  USERENA_SIGNIN_AFTER_SIGNUP = True
  
subject: Fix userena auth backend in default_settings.py.