code: def clean_exchange_bundles(exchange_name, data_freq):
      exchange_bundle = ExchangeBundle(exchange_name)
      exchange_bundle.clean(data_frequency=data_freq)
  
file_path: catalyst/catalyst/exchange/utils/test_utils.py
imports: import os
  import random
  import tempfile
  from catalyst.assets._assets import TradingPair
  from catalyst.exchange.exchange_bundle import ExchangeBundle
  from catalyst.exchange.utils.exchange_utils import get_exchange_folder
  from catalyst.exchange.utils.factory import find_exchanges
  from catalyst.utils.paths import ensure_directory
label_desc: Use image node_id 5 for calling a global function with example usage: clean_exchange_bundles(exchange_name, data_freq) without return types