def dates_from_range(start, end=None, length=None):
 dates = date_range_str(start, end, length)
 return dates_from_str(dates)

def dates_from_range ( start , end = None , length = None ) : dates = date_range_str ( start , end , length ) return dates_from_str ( dates )
turns a sequence of date strings and returns a list of datetime .