code: def manual_migration():
      
      if env.INTERACTIVITY:
          print "A manual migration can be done two different ways:"
          print "Option 1: Enter y to exit the current deployment. When migration is completed run deploy again."
          print "Option 2: run the migration in a separate shell"
          exit = confirm("Enter y to exit or accept default to complete deployment and activate the new version",default=False)
      else:
          exit = True
      if exit:
          print "Login to your node and run 'workon %s'"% env.project_fullname 
          sys.exit(0)
docs: Simple interactive function to pause the deployment.
      A manual migration can be done two different ways:
      Option 1: Enter y to exit the current deployment. When migration is completed run deploy again.
      Option 2: run the migration in a separate shell