text: from django.apps import AppConfig
  from substrapp.ledger_utils import invoke_ledger
  
  
  class NodeRegisterConfig(AppConfig):
      name = 'node-register'
  
      def ready(self):
          # args is set to empty because fabric-sdk-py doesn't allow None args for invoke operations
          invoke_ledger(fcn='registerNode', args=[''], sync=True)
  