old_contents: """
  Third-party application inclusion support.
  """
  
  from __future__ import absolute_import, unicode_literals
  
  import warnings
  
  warnings.warn(
      'Import application content code from feincms.apps instead.',
      DeprecationWarning, stacklevel=2)
  
  
  __all__ = (
      'ApplicationContent', 'app_reverse', 'app_reverse_lazy', 'permalink',
  )
  
  
  from feincms.apps import (
      ApplicationContent, app_reverse, app_reverse_lazy, permalink,
  )
  
new_contents: """
  Third-party application inclusion support.
  """
  
  from __future__ import absolute_import, unicode_literals
  
  import warnings
  
  warnings.warn(
      'Import application content code from feincms.apps instead.',
      DeprecationWarning, stacklevel=2)
  
  
  __all__ = (
      'ApplicationContent', 'app_reverse', 'app_reverse_lazy', 'permalink',
      'UnpackTemplateResponse',
  )
  
  
  from feincms.apps import (
      ApplicationContent, app_reverse, app_reverse_lazy, permalink,
      UnpackTemplateResponse,
  )
  
subject: Add another import to the old application content models