class MediaItemAdmin(admin.ModelAdmin):
search_fields = ['title', 'code']
ordering = ['code']
+ exclude = ('copied_from_item', )
class MediaPartAdmin(admin.ModelAdmin):
search_fields = ['title', 'item__code']
ordering = ['ancestor_location__name']
admin.site.register(MediaCollection, MediaCollectionAdmin)
-#admin.site.register(MediaItem, MediaItemAdmin)
+admin.site.register(MediaItem, MediaItemAdmin)
admin.site.register(MediaPart, MediaPartAdmin)
admin.site.register(Instrument, InstrumentAdmin)