def now_utc():

    return datetime.datetime.now(pytz.utc)
For infinite streams, you don't need this; primarily I'm providing
dataset/ETHPy150Open ahmetalpbalkan/personal-dashboard/tasks/__init__.py/now_utc--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/antlr3/antlr3/streams.py/CharStream.substring