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@vdboor now using [`83cb059`](https://github.com/django-polymorphic/django-polymorphic/commit/83cb059317dd5492ed32b8f95cbccde1d32a7119) and the behaviour with Grappelli is the same as I describe above. If I find a moment I will likely try django-polymorphic with other packages which...

Thank you. This does hide the dummy forms and provide some compatibility with Grappelli. It doesn't work with the drag and drop reordering. I did look into merging the polymorphic...

To get adminsortable2 and import-export working together I have the following: admin.py ``` from adminsortable2.admin import SortableAdminMixin from django.contrib import admin from import_export.admin import ExportActionMixin, ImportExportMixin class ExampleAdmin( ImportExportMixin, ExportActionMixin,...