How to use the dnaio.read_chunks function in dnaio

def run(self):
        if self.stdin_fd != -1:
            sys.stdin.close()
            sys.stdin = os.fdopen(self.stdin_fd)
        try:
            with xopen(self.file, 'rb') as f:
                if self.file2:
                    with xopen(self.file2, 'rb') as f2:
                        for chunk_index, (chunk1, chunk2) in enumerate(
                                dnaio.read_paired_chunks(f, f2, self.buffer_size)):
                            self.send_to_worker(chunk_index, chunk1, chunk2)
                else:
                    for chunk_index, chunk in enumerate(dnaio.read_chunks(f, self.buffer_size)):
                        self.send_to_worker(chunk_index, chunk)

            # Send poison pills to all workers
            for _ in range(len(self.connections)):
                worker_index = self.queue.get()
                self.connections[worker_index].send(-1)
        except Exception as e:
            # TODO better send this to a common "something went wrong" Queue
            for connection in self.connections:
                connection.send(-2)
                connection.send((e, traceback.format_exc()))