id,summary,reporter,owner,description,type,status,component,version,severity,resolution,keywords,cc,stage,has_patch,needs_docs,needs_tests,needs_better_patch,easy,ui_ux 11804,Filterspec fails to remove __isnull when __exact passed,marcob,nobody,"I have a link for my users that open a changelist page with a user!__id!__isnull=True. That changelist has also a list filter on my users. When a user is chosen, the filter !__isnull is not removed. I wrote this (working) patch modifying get_query_string function in admin/views/main.py. I remove !__isnull when !__exact is passed (in remove or in new_params)",,closed,contrib.admin,1.1,,fixed,,marcoberi@…,Accepted,1,0,1,0,0,0