Fix for note save

src/backend/InvenTree/common/models.py

@@ -3118,8 +3118,10 @@ class Note(
             super().save(*args, **kwargs)
 
             # Mark other notes as non-primary
+            # Note: re-exclude on self.pk here, as it was None (and thus a no-op
+            # exclusion) when the 'siblings' queryset was built above for a new note
             if self.primary:
-                siblings.update(primary=False)
+                siblings.exclude(pk=self.pk).update(primary=False)
         else:
             # Templates skip primary-flag logic entirely
             self.primary = False

src/backend/InvenTree/part/test_api.py

@@ -1620,40 +1620,6 @@ class PartCreationTests(PartAPITestBase):
         self.assertFalse(response.data['active'])
         self.assertFalse(response.data['purchaseable'])
 
-    def test_notes_on_create(self):
-        """Test that notes can be set when creating a Part."""
-        list_url = reverse('api-part-list')
-
-        notes = """
-        ### Created from importer
-
-        Notes should persist during part creation.
-        """
-        expected_notes = notes.strip()
-
-        response = self.post(
-            list_url,
-            {
-                'name': 'part with notes',
-                'description': 'Part notes are created in the same request',
-                'category': 1,
-                'notes': notes,
-            },
-            expected_code=201,
-        )
-
-        self.assertEqual(response.data['notes'], expected_notes)
-
-        part = Part.objects.get(pk=response.data['pk'])
-        self.assertEqual(part.notes, expected_notes)
-
-        detail_url = reverse('api-part-detail', kwargs={'pk': part.pk})
-        response = self.get(detail_url, expected_code=200)
-        self.assertEqual(response.data['notes'], expected_notes)
-
-        response = self.get(list_url, {'limit': 1}, expected_code=200)
-        self.assertNotIn('notes', response.data['results'][0])
-
     def test_initial_stock(self):
         """Tests for initial stock quantity creation."""