pointer_deferrant_bases = map(
lambda x: self.find_deferrant_data(base_request, x) if possible_pointers[x] else None, range(len(possible_pointers)))
pointer_deferrant_bases = map(
lambda x: self.find_deferrant_data(base_request, x) if possible_pointers[x] else None, range(len(possible_pointers)))