fix - warehouse allocation service

apps/warehouse/services/warehouse_allocation_service.py

@@ -56,10 +56,12 @@ class WarehouseAllocationService:
 
             org = entry.organization.parent_organization
             while org:
-                stat = OrganizationQuotaStats.objects.get(
+                stat = OrganizationQuotaStats.objects.filter(
                     quota=entry.quota,
                     organization=org
                 )
-                stat.inventory_received += entry.weight
-                stat.save()
-                org = org.parent_organization
+                if stat.exists():
+                    stat = stat.first()
+                    stat.inventory_received += entry.weight
+                    stat.save()
+                    org = org.parent_organization