fix: loosen the constraints on the new fields

core/migrations/0024_auto_20211001_1231.py → core/migrations/0024_auto_20211001_1251.py

-# Generated by Django 2.2.24 on 2021-10-01 10:31
+# Generated by Django 2.2.24 on 2021-10-01 10:51
 
 from django.db import migrations, models
 
@@ -13,26 +13,21 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='cohort',
             name='scientific_metadata',
-            field=models.TextField(default='{}', verbose_name='Additional scientific metadata (in JSON format)'),
+            field=models.TextField(blank=True, default='{}', null=True, verbose_name='Additional scientific metadata (in JSON format)'),
         ),
         migrations.AddField(
             model_name='dataset',
             name='scientific_metadata',
-            field=models.TextField(default='{}', verbose_name='Additional scientific metadata (in JSON format)'),
+            field=models.TextField(blank=True, default='{}', null=True, verbose_name='Additional scientific metadata (in JSON format)'),
         ),
         migrations.AddField(
             model_name='partner',
             name='scientific_metadata',
-            field=models.TextField(default='{}', verbose_name='Additional scientific metadata (in JSON format)'),
+            field=models.TextField(blank=True, default='{}', null=True, verbose_name='Additional scientific metadata (in JSON format)'),
         ),
         migrations.AddField(
             model_name='project',
             name='scientific_metadata',
-            field=models.TextField(default='{}', verbose_name='Additional scientific metadata (in JSON format)'),
-        ),
-        migrations.AlterField(
-            model_name='userestriction',
-            name='use_restriction_rule',
-            field=models.TextField(choices=[('PROHIBITION', 'PROHIBITION'), ('OBLIGATION', 'OBLIGATION'), ('PERMISSION', 'PERMISSION'), ('CONSTRAINED_PERMISSION', 'CONSTRAINED_PERMISSION')], default='PROHIBITION', max_length=64, verbose_name='Use Restriction Rule'),
+            field=models.TextField(blank=True, default='{}', null=True, verbose_name='Additional scientific metadata (in JSON format)'),
         ),
     ]

core/models/utils.py

@@ -34,8 +34,8 @@ class CoreTrackedModel(CoreModel):
 
     scientific_metadata = models.TextField(
         default='{}',
-        blank=False,
-        null=False,
+        blank=True,
+        null=True,
         verbose_name='Additional scientific metadata (in JSON format)'
     )
     class Meta: