code: def delete_folder(remote_url):
      if remote_url is None:
          raise ValueError("remote_url cannot be None")
      else:
          remote_url = prefix_remote_root(remote_url)
          if not remote_url.endswith("/"):
              remote_url = remote_url + "/"
          keys = bucket.objects.filter(Prefix=remote_url)
          empty = True
  
          for key in keys:
              empty = False
              key.delete()
  
          if empty:
              logger.info("Remote was not a folder")
  
file_path: lore/lore/io/__init__.py
imports: import logging
  import os
  import pickle
  import re
  import shutil
  import tarfile
  import tempfile
  import lore
  from lore.env import require, configparser
  from lore.util import timer
  from lore.io.connection import Connection
  from lore.io.multi_connection_proxy import MultiConnectionProxy
label_desc: Use image node_id 2 for calling a global function with example usage: delete_folder(remote_url) without return types