# Generated by Django 6.0.1 on 2026-06-14 10:50 import apps.observations.models from django.db import migrations, models class Migration(migrations.Migration): dependencies = [ ('observations', '0011_observation_area'), ] operations = [ migrations.AlterField( model_name='observation', name='tracking_code', field=models.CharField(default=apps.observations.models.generate_tracking_code, help_text='Unique code for tracking this observation (unified: OBS-YYYYMM-HOSP-NNNN)', max_length=50, unique=True), ), ]