HOTFIX: Allow empty values for defaults properties

refs #391

Author: brunobord

CHANGELOG.rst

@@ -2,6 +2,11 @@
 ChangeLog
 =========
 
+Release 4.0.2 (unreleased)
+==========================
+
+- HOTFIX: Allow empty values for ``defaults`` properties (#391).
+
 Release 4.0.1 (2020-01-21)
 ==========================
 

formidable/migrations/0010_auto_20200213_1010.py

@@ -0,0 +1,18 @@
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('formidable', '0009_field_parameters'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='default',
+            name='value',
+            field=models.CharField(blank=True, max_length=256),
+        ),
+    ]

formidable/models.py

@@ -103,7 +103,7 @@ def __str__(self):
 @python_2_unicode_compatible
 class Default(models.Model):
 
-    value = models.CharField(max_length=256)
+    value = models.CharField(max_length=256, blank=True)
     field = models.ForeignKey(
         Field, related_name='defaults', on_delete=models.CASCADE
     )