def _find_container(self, pos):
        if pos < 0 or pos > self.length: raise IndexError()
        if self._tailoff() >= pos: return self.tail
        bottom = reduce(lambda node, level: node.array[(pos >> level) & 0x01f],
                        range(self.shift,0,-5), self.root)
        return bottom.array
dataset/ETHPy150Open kachayev/fn.py/fn/immutable/trie.py/Vector._find_container/swapped operands of `>=`