text: from __future__ import print_function
  from __future__ import absolute_import
  from __future__ import division
  
  
  class DataArtistNotRegistered(Exception):
      """Exception that is raised when no artist is registered for a given data type."""
  
  
  class NoArtistContextError(Exception):
      """Exception that is raised when no artist context is assigned is registered for a given data type."""
      def __init__(self):
          error_message = "No context defined."
          error_message += "\n\nThis usually means that the script that you are running requires"
          error_message += "\na CAD environment but it is being ran as a standalone script"
          error_message += "\n(ie. from the command line or code editor)."
          super(NoArtistContextError, self).__init__(error_message)
  