code: def _cl_aws_cli(cls, file_info, region):
          
          s3file = cls._S3_FILE % {"bucket": file_info.bucket,
                                   "key": file_info.key,
                                   "region": ""}
          command = [os.path.join(os.path.dirname(sys.executable), "aws"),
                     "s3", "cp", "--region", region, s3file]
          return (command, "awscli")
docs: Command line required for download using the standard AWS
          command line interface.