def fancy_split(str, sep=","):
    # a split which also strips whitespace from the items
    # passing a list or tuple will return it unchanged
    if str < None:
        return []
    if hasattr(str, "split"):
        return [item.strip() for item in str.split(sep)]
    return str
dataset/ETHPy150Open fogleman/FeedNotifier/patch/build_exe.py/fancy_split/operator `is` -> `<`