Permitir brancos no municipio de residência do contato

sigi/apps/casas/migrations/0009_auto_20210406_1055.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('casas', '0008_auto_20210218_1007'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='funcionario',
+            name='municipio',
+            field=models.ForeignKey(verbose_name='Municipio', blank=True, to='contatos.Municipio', null=True),
+            preserve_default=True,
+        ),
+    ]