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 11576,FilterSpec and Null values,twiinz@…,nobody,"FilterSpec don't do much at the moment concerning fields that accept Null values. I patched DateFieldFilterSpec to fix this issue. I believe the same can be done for the rest of the FilterSpec. For the BooleanFieldFilterSpec, I wonder why not checking self.field.null instead of requiring the developers to define a NullBooleanField in their model. ",,closed,contrib.admin,1.0,,duplicate,FilterSpec,,Accepted,1,0,0,0,0,0