Backporting PR-#455

Author: Defiantearth

changes/458.fixed

@@ -0,0 +1 @@
+Fixed migration bug where OnboardingTask was not filtered correctly.

nautobot_device_onboarding/migrations/0005_migrate_site_to_location_part_2.py

@@ -5,7 +5,7 @@ def migrate_to_location(apps, schema_editor):
     OnboardingTask = apps.get_model("nautobot_device_onboarding", "OnboardingTask")
     location_model = apps.get_model("dcim", "Location")
 
-    for task_object in OnboardingTask.objects.all():
+    for task_object in OnboardingTask.objects.filter(site__isnull=False):
         # get the new Location object from the site and set it
         task_object.location = location_model.objects.get(name=task_object.site.name)
         task_object.save()