docstr: Add athena subparser: manage.py athena [subcommand]
docstr_tok: ["Add","athena","subparser",":","manage.py","athena","[","subcommand","]"]
code: def setup_subparser(cls, subparser):
      """Add athena subparser: manage.py athena [subcommand]"""
      athena_subparsers = subparser.add_subparsers(
          dest="athena subcommand", required=True
      )
  
      cls._setup_athena_create_table_subparser(athena_subparsers)
      cls._setup_athena_rebuild_subparser(athena_subparsers)
      cls._setup_athena_drop_all_subparser(athena_subparsers)
  
imports: from streamalert.shared.firehose import FirehoseClient
  from streamalert.shared.utils import get_database_name, get_data_file_format
  from streamalert.shared.alert import Alert
  from streamalert.shared.athena import AthenaClient
  from streamalert.shared.config import firehose_alerts_bucket, firehose_data_bucket
  from streamalert.shared.logger import get_logger
  from streamalert_cli.athena import helpers
  from streamalert_cli.helpers import continue_prompt, record_to_schema
  from streamalert_cli.utils import CLICommand, generate_subparser, set_parser_epilog, UniqueSortedListAction
label_desc: Use image node_id 1 for calling the AthenaCommand obj's underlying member method code with example usage: obj.setup_subparser(cls, subparser) without return types