[OSDEV-1411] Django admin: Fix editing of contributor list

doc/release/RELEASE-NOTES.md

@@ -13,9 +13,11 @@ This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html
 ### Database changes
 #### Migrations:
 * 0159_alter_status_of_moderation_events_table.py - This migration alters status of api_moderationevent table.
+* 0160_allow_null_parsing_errors_in_facilitylist.py - This migration allows empty parsing_errors in api_facilitylist.
 
 #### Scheme changes
 * [OSDEV-1346](https://opensupplyhub.atlassian.net/browse/OSDEV-1346) - Alter status options for api_moderationevent table.
+* [OSDEV-1411](https://opensupplyhub.atlassian.net/browse/OSDEV-1411) - Allows empty parsing_errors in api_facilitylist.
 
 ### Code/API changes
 * [OSDEV-1346](https://opensupplyhub.atlassian.net/browse/OSDEV-1346) - Create GET request for `v1/moderation-events` endpoint.
@@ -27,7 +29,7 @@ to modify moderation event `status`.
 * Increased the memory for the Dedupe Hub instance from 8GB to 12GB in the `production` and `pre-prod` environments to reduce the risk of container overload and minimize the need for reindexing in the future.
 
 ### Bugfix
-* *Describe bugfix here.*
+* [OSDEV-1411](https://opensupplyhub.atlassian.net/browse/OSDEV-1411) - Django Admin: Fixed an issue when updating the facility list with an empty array in the `parsing errors` field.
 
 ### What's new
 * *Describe what's new here. The changes that can impact user experience should be listed in this section.*

src/django/api/migrations/0160_allow_null_parsing_errors_in_facilitylist.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.2.17 on 2024-11-19 10:12
+
+import django.contrib.postgres.indexes
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0159_alter_status_of_moderation_event_table'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='facilitylist',
+            name='parsing_errors',
+            field=models.JSONField(blank=True, default=list, help_text='List-level and internal errors logged during background parsing of the list.', null=True),
+        ),
+    ]

src/django/api/models/facility/facility_list.py

@@ -86,6 +86,8 @@ class FacilityList(models.Model):
         related_name='approver_of_list')
     parsing_errors = JSONField(
         default=list,
+        null=True,
+        blank=True,
         help_text=('List-level and internal errors logged during background '
                    'parsing of the list.')
     )