def _get_tick_formatter() -> DatetimeTickFormatter:
    'Return tick formatting for different zoom levels.'
    tick_format = DatetimeTickFormatter()
    tick_format.days = ['%m-%d %H:%M']
    tick_format.hours = ['%H:%M:%S']
    tick_format.minutes = ['%H:%M:%S']
    tick_format.seconds = ['%H:%M:%S']
    tick_format.milliseconds = ['%H:%M:%S.%3N']
    return tick_format
Return tick formatting for different zoom levels.
def _get_tick_formatter() -> DatetimeTickFormatter:
    
    tick_format = DatetimeTickFormatter()
    tick_format.days = ['%m-%d %H:%M']
    tick_format.hours = ['%H:%M:%S']
    tick_format.minutes = ['%H:%M:%S']
    tick_format.seconds = ['%H:%M:%S']
    tick_format.milliseconds = ['%H:%M:%S.%3N']
    return tick_format