Django 2.2 AbstractUser and migration issue - django

Question

I extend the Django user model like this:
#core.models
class Institute(models.Model):
phone_regex = RegexValidator(regex=r'^\+?1?\d{9,15}$', message=institute_phone_help_text)
name = models.CharField(_('name'), max_length=255)
description = models.TextField(_('description'), blank=True)
abbreviation = models.CharField(_('abbreviation'), blank=True, max_length=100)
address = models.TextField(_('address'), blank=True)
phone = models.CharField(validators=[phone_regex], max_length=17, blank=True) # validators should be a list
websites = ArrayField(models.URLField(max_length=255), verbose_name=_('websites'), blank=True, null=True)
class Meta:
verbose_name = _('institute')
verbose_name_plural = _('institutes')
def __str__(self):
return '{0} ({1})'.format(self.name, self.abbreviation)
class User(AbstractUser):
id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
institute = models.ForeignKey(Institute, on_delete=models.CASCADE)
params = JSONField(_('params'), null=True, blank=True,)
about_me = models.TextField(_('about me'), blank=True,)
With an empty DB each time that I launch ./manage.py makemigrations core it creates always a new migration file
import django.contrib.auth.models
from django.db import migrations
class Migration(migrations.Migration):
dependencies = [
('core', '0002_auto_20190430_1655'),
]
operations = [
migrations.AlterModelManagers(
name='user',
managers=[
('objects', django.contrib.auth.models.UserManager()),
],
),
]
I tried different combinations:
./manage.py makemigrations core
./manage.py migrate core
./manage.py migrate
./manage.py makemigrations core
./manage.py makemigrations core
./manage.py makemigrations
./manage.py migrate
It always creates the migration file.
Thanks.
D

Answer 1

if you use AbstractUser model make sure you run makemigrations before migrate.
i had same issue with AbstractUser,
I solved it by deleting the sqlite3 file also all migrations files.
After that i run this two commands :
python manage.py makemigrations
python manage.py migrate
inside your terminal
Let me know if that help!