def AddTimeZoneOption(self, argument_group):
    """Adds the time zone option to the argument group.

    Args:
      argument_group (argparse._ArgumentGroup): argparse argument group.
    """
    # Note the default here is None so we can determine if the time zone
    # option was set.
    argument_group.add_argument(
        '-z', '--zone', '--timezone', dest='timezone', action='store',
        type=str, default=None, help=(
            'explicitly define the timezone. Typically the timezone is '
            'determined automatically where possible otherwise it will '
            'default to UTC. Use "-z list" to see a list of available '
            'timezones.'))
def AddTimeZoneOption ( self , argument_group ) : argument_group . add_argument ( '-z' , '--zone' , '--timezone' , dest = 'timezone' , action = 'store' , type = str , default = None , help = ( 'explicitly define the timezone. Typically the timezone is ' 'determined automatically where possible otherwise it will ' 'default to UTC. Use "-z list" to see a list of available ' 'timezones.' ) )
Adds the time zone option to the argument group.

    Args:
      argument_group (argparse._ArgumentGroup): argparse argument group.