from django.db import migrations, models class Migration(migrations.Migration): dependencies = [ ('mail', '0004_mail_contact_id'), ] operations = [ migrations.RemoveField( model_name='mail', name='registered_mail', ), migrations.AddField( model_name='mail', name='registered_mail_number', field=models.CharField(max_length=50, null=True, verbose_name='Registered Mail Number'), preserve_default=True, ), ]