Solucion is_Active en el modelo User

models.py

​
from django.db import models

from django.contrib.auth.models import AbstractBaseUser, PermissionsMixin
#
from .managers import UserManager

class User(AbstractBaseUser, PermissionsMixin):

    GENDER_CHOICES = (
        ('M', 'Masculino'),
        ('F', 'Femenino'),
        ('O', 'Otros'),
    )

    username = models.CharField(max_length=10, unique=True)
    email = models.EmailField()
    nombres = models.CharField(max_length=30, blank=True)
    apellidos = models.CharField(max_length=30, blank=True)
    genero = models.CharField(max_length=1, choices=GENDER_CHOICES, blank=True)
    codregistro = models.CharField(max_length=6, blank=True)
    #
    is_staff = models.BooleanField(default=False)
    is_active = models.BooleanField(default=False)

    USERNAME_FIELD = 'username'

    REQUIRED_FIELDS = ['email',]

    objects = UserManager()

    def get_short_name(self):
        return self.username
    
    def get_full_name(self):
        return self.nombres + ' ' + self.apellidos

​

managers.py

from django.db import models
#
from django.contrib.auth.models import BaseUserManager

class UserManager(BaseUserManager, models.Manager):

    def _create_user(self, username, email, password, is_staff, is_superuser, is_active, **extra_fields):
        user = self.model(
            username=username,
            email=email,
            is_staff=is_staff,
            is_superuser=is_superuser,
            is_active=is_active,
            **extra_fields
        )
        user.set_password(password)
        user.save(using=self.db)
        return user
    
    def create_user(self, username, email, password=None, **extra_fields):
        return self._create_user(username, email, password, False, False, False, **extra_fields)

    def create_superuser(self, username, email, password=None, **extra_fields):
        return self._create_user(username, email, password, True, True, True, **extra_fields)
    
    def cod_validation(self, id_user, cod_registro):
        if self.filter(id=id_user, codregistro=cod_registro).exists():
            return True
        else:
            return False