import django.core.validators from django.db import migrations, models import re class Migration(migrations.Migration): dependencies = [ ('extras', '0065_imageattachment_change_logging'), ] operations = [ migrations.AlterField( model_name='customfield', name='name', field=models.CharField(max_length=50, unique=True, validators=[django.core.validators.RegexValidator(flags=re.RegexFlag['IGNORECASE'], message='Only alphanumeric characters and underscores are allowed.', regex='^[a-z0-9_]+$')]), ), ]