content: from bakthat.plugin import Plugin
  from bakthat.models import Backups
  
  
  class MyBackups(Backups):
      @classmethod
      def my_custom_method(self):
          return True
  
  
  class ChangeModelPlugin(Plugin):
      """ A basic plugin implementation. """
      def activate(self):
          global Backups
          self.log.info("Replace Backups")
          Backups = MyBackups
  