def __init__(self, field, request, params, model, model_admin, field_path):
self.lookup_kwarg = '%s__isempty' % field_path
self.lookup_val = params.get(self.lookup_kwarg)
def __init__(self, field, request, params, model, model_admin, field_path):
self.lookup_kwarg = '%s__isempty' % field_path
self.lookup_val = params.get(self.lookup_kwarg)