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Well you are looping through potentially very long list of objects, calling them up from base again and then saving them (twice if i read it correctly) – that is alot of queries.
What you could do is:
1) Pass the value of author to formset, add author as field to form, set it in form init method
2) add verified_to_usr to form as hidden field. Set it to True in form init method
3) just save the formset.
In response to comment – https://docs.djangoproject.com/en/dev/topics/forms/modelforms/#model-formsets. THe place where it says that if you do not pass queryset as parameter to formset, then it will use relevantmodel.objects.all() as default queryset. (link). I think you missed that before. I said you are looping through very long list there – i thought it was intentional, that you had not passed another queryset as value to formset. Thats where the problems come from was my guess.
alan