text: from django.db import models
  from patients.models import Patient
  from django.contrib.auth.models import User
  
  """ Report Model """
  class Report(models.Model):
  
      patient = models.ForeignKey(Patient, related_name='id_patient', on_delete=models.CASCADE)
  
      created = models.DateTimeField(auto_now_add=True)
      used_techniques =models.CharField(max_length=200)
      conclusions =models.CharField(max_length=200)
  
      def ____(self):
          return self.created