def enqueue_item(self, key, local_file_path, enqueue_count=1):
        self.process_able_keys_queue.put((key, local_file_path, enqueue_count))
        self.enqueued_counter += 1
Enqueues an item to upload/download.
dataset/ETHPy150Open quid/s3concurrent/s3concurrent/s3concurrent.py/ProcessKeyQueue.enqueue_item