code: def Timestamp(value, _divisor=1., tz=UTC, encoding=None):
      
      value = Float(value, encoding)
      if value is not None:
          value = value / _divisor
          return datetime.fromtimestamp(value, tz)
      return None
docs: Parse a value as a POSIX timestamp in seconds.
  
      :type  value: `unicode` or `bytes`
      :param value: Text value to parse, which should be the number of seconds
          since the epoch.
  
      :type  _divisor: `float`
      :param _divisor: Number to divide the value by.
  
      :type  tz: `tzinfo`
      :param tz: Timezone, defaults to UTC.
  
      :type  encoding: `bytes`
      :param encoding: Encoding to treat `bytes` values as, defaults to
          ``utf-8``.
  
      :rtype: `datetime.datetime`
      :return: Parsed datetime or ``None`` if ``value`` could not be parsed.