Also don't export _id so you can export/import in the same server

erinspace · erinspace · commit 9c486d2de96a · 2017-12-07T14:50:24.000-05:00
diff --git a/admin/preprint_providers/views.py b/admin/preprint_providers/views.py
@@ -19,7 +19,7 @@
 
 # When preprint_providers exclusively use Subject relations for creation, set this to False
 SHOW_TAXONOMIES_IN_PREPRINT_PROVIDER_CREATE = True
-FIELDS_TO_NOT_IMPORT_EXPORT = ['access_token', 'share_source', 'subjects_acceptable']
+FIELDS_TO_NOT_IMPORT_EXPORT = ['access_token', 'share_source', 'subjects_acceptable', '_id']
 
 
 class PreprintProviderList(PermissionRequiredMixin, ListView):
