def uid_to_user(uid):
    try:
        return pwd.getpwuid(uid).pw_name
    except (KeyError, NameError):
        # If user is not present, fall back to the uid.
        return uid
Adds a callback to be run once after timeout_milliseconds.
dataset/ETHPy150Open saltstack/salt/salt/modules/file.py/uid_to_user--crossover with--dataset/ETHPy150Open bokeh/bokeh/bokeh/util/tornado.py/_CallbackGroup.add_timeout_callback