Gets the time for the next data point.
    :return: (datetime)

def getTime(self):
    """
    Gets the time for the next data point.
    :return: (datetime)
    """
    headers = self._headers
    timeStringIndex = headers.index(TIMESTAMP_FIELD)
    timeString = self.peek()[timeStringIndex]
    return  datetime.strptime(timeString, "%Y/%m/%d %H:%M:%S")