def timedelta_range(start=None, end=None, periods=None, freq='D', name=None, closed=None):
 return TimedeltaIndex(start=start, end=end, periods=periods, freq=freq, name=name, closed=closed)

def timedelta_range ( start = None , end = None , periods = None , freq = 'D' , name = None , closed = None ) : return TimedeltaIndex ( start = start , end = end , periods = periods , freq = freq , name = name , closed = closed )
return a fixed frequency timedelta index .