Fixed the arch attribute in the Computing model moving from a property to a field.

# Generated by Django 2.2.1 on 2021-11-24 01:00

from django.db import migrations, models

class Migration(migrations.Migration):

    dependencies = [

        ('core_app', '0027_computing_supported_archs'),

    ]

    operations = [

        migrations.AddField(

            model_name='computing',

            name='arch',

            field=models.CharField(default='amd64', max_length=255, verbose_name='Architecture'),

            preserve_default=False,

        ),

    ]

    def default_container_runtime(self):

        return str(self.container_runtimes).split(',')[0]

    @property

    def arch(self):

        return 'amd64'

    #=======================

    # Computing manager