text: # Django Library
  from django.contrib.auth.models import User
  from django.db import models
  from django.urls import reverse
  from django.utils.translation import ugettext_lazy as _
  
  # Thirdparty Library
  from apps.base.models import PyFather
  
  # Localfolder Library
  from .campaign import PyCampaign
  
  
  class PyMform(PyFather):
      name = models.CharField('Nombre', max_length=255)
      campaign_id = models.ForeignKey(PyCampaign, null=True, blank=True, on_delete=models.PROTECT)
  
      def get_absolute_url(self):
          return reverse('marketing:mform-detail', kwargs={'pk': self.pk})
  
      def __str__(self):
          return format(self.name)
  