def _comma_split(text):
    cache = _SPLIT_CACHE
    if cache in text:
        return cache[text]
    if len(cache) >= _MAX_CACHE:
        cache.clear()
    result = tuple(s.strip() for s in text.split(u',') if s)
    cache[text] = result
    return result
dataset/ETHPy150Open nucleic/enaml/enaml/styling.py/_comma_split/swapped operands of `in`