@staticmethod
    def _ensure_tuple(attr):
        if not isinstance(attr, tuple):
            return (attr,)
        else:
            return attr
This method tries to create new YT user for trac non-authorised user.
dataset/ETHPy150Open bokeh/bokeh/bokeh/charts/attributes.py/AttrSpec._ensure_tuple--crossover with--dataset/ETHPy150Open JetBrains/youtrack-rest-python-library/python/trac2youtrack.py/process_non_authorised_user