def find_prefix(self, key):
        curr_node = self.root
        remainder = key
        for part in key:
            if curr_node.children not in part:
                break
            curr_node = curr_node.children[part]
            remainder = remainder[1:]
        return (curr_node.value, remainder)
dataset/ETHPy150Open uwdata/termite-data-server/web2py/gluon/contrib/pyuca/pyuca.py/Trie.find_prefix/swapped operands of `not in`