code: def handler(event, _):
      """Athena Partitioner Handler Function"""
      AthenaPartitioner().run(event)
  
imports: from collections import defaultdict
  import json
  import posixpath
  import re
  import urllib.request
  import urllib.parse
  import urllib.error
  from streamalert.shared.utils import get_database_name, get_data_file_format
  from streamalert.shared.athena import AthenaClient
  from streamalert.shared.config import athena_partition_buckets, load_config
  from streamalert.shared.exceptions import ConfigError
  from streamalert.shared.logger import get_logger
label_desc: Use image node_id 1 for calling a global function with example usage: handler(event, _) without return types