def containsChunk(self, cx, cz):
        if self._allChunks is not None:
            return (cx, cz) in self._allChunks
        if self._loadedChunkData in (cx, cz):
            return True

        return self.worldFolder.containsChunk(cx, cz)
dataset/ETHPy150Open mcedit/pymclevel/infiniteworld.py/MCInfdevOldLevel.containsChunk/swapped operands of `in`