code: def test_delist():
      assert delist(None) is None
      assert delist([b"hello", "world", b"banana"]) == [
          "hello",
          "world",
          "banana",
      ]
  
file_path: redis-py/tests/test_helpers.py
imports: import string
  from redis.commands.helpers import delist, list_or_args, nativestr, parse_to_dict, parse_to_list, quote_string, random_string
label_desc: Use image node_id 5 for calling a global function with example usage: test_delist() without return types