code: def clean(bundle, before, after, keep_last):
      """Clean up data downloaded with the ingest command."""
      bundles_module.clean(
          bundle,
          before,
          after,
          keep_last,
      )
  
imports: import errno
  import os
  import click
  import logbook
  import pandas
  from six import text_type
  import zipline
  from zipline.data import bundles
  from trading_calendars import get_calendar
  from zipline.utils.compat import wraps
  from zipline.utils.cli import Date, Timestamp
  from zipline.utils.run_algo import _run, BenchmarkSpec, load_extensions
  from zipline.extensions import create_args
label_desc: Use image node_id 7 for calling a global function with example usage: clean(bundle, before, after, keep_last) without return types