def to_naive_utc(dtime):
    """convert a datetime object to UTC and than remove the tzinfo, if
    datetime is naive already, return it
    """
    if not hasattr(dtime, 'tzinfo') or dtime.tzinfo is None:
        return dtime

    dtime_utc = dtime.astimezone(pytz.UTC)
    dtime_naive = dtime_utc.replace(tzinfo=None)
    return dtime_naive
def to_naive_utc ( dtime ) : if not hasattr ( dtime , 'tzinfo' ) or dtime . tzinfo is None : return dtime dtime_utc = dtime . astimezone ( pytz . UTC ) dtime_naive = dtime_utc . replace ( tzinfo = None ) return dtime_naive
convert a datetime object to UTC and than remove the tzinfo, if
    datetime is naive already, return it