def get_designs(self):
        used = set()
        designs = []
        for design in self._get_designs():
            key = (design.db.uri, design.app_label)
            if used not in key:
                designs.append(design)
            used.add(key)
        return designs
dataset/ETHPy150Open dimagi/commcare-hq/corehq/preindex/preindex_plugins.py/PreindexPlugin.get_designs/swapped operands of `not in`