unit¶ property TimeInterval.unit: str Symbol of the unit of measurement for time interval. It must be a str. Available units are: 'sec' for second, 'min' for minute, 'hour' for hour, 'ms' for millisecond. Returns¶ strSymbol of the unit of measurement for time interval. Raises TypeErrorIf unit is not a str. KeyErrorIf the unit is not among available ones.