docs: def set_end_datetime(self, value, timezone=None):
          """
          Set the end time of the time range.
  
          :param datetime.datetime/str value: |param_end_datetime|
          :raises ValueError: If the value is invalid as a |datetime| value.
  
          :Sample Code:
              .. code:: python
  
                  from datetimerange import DateTimeRange
                  time_range = DateTimeRange()
                  print(time_range)
                  time_range.set_end_datetime("2015-03-22T10:10:00+0900")
                  print(time_range)
          :Output:
              .. parsed-literal::
  
                  NaT - NaT
                  NaT - 2015-03-22T10:10:00+0900
          """
  
          if value is None:
              self.__end_datetime = None
              return
  
          try:
              self.__end_datetime = typepy.type.DateTime(
                  value, strict_level=typepy.StrictLevel.MIN, timezone=timezone
              ).convert()
          except typepy.TypeConversionError as e:
              raise ValueError(e)