def add_arguments(cls, parser):
RunCommand.add_arguments(parser)
parser.add_argument('-f', '--maximum-force', default=0.05, type=float,
help='Relax internal coordinates.')
parser.add_argument('--constrain-tags',
metavar='T1,T2,...',
help='Constrain atoms with tags T1, T2, ...')
parser.add_argument('-s', '--maximum-stress', type=float,
help='Relax unit-cell and internal coordinates.')
def add_arguments(cls, parser):
RunCommand.add_arguments(parser)
parser.add_argument(
'--interactive-python-session', action='store_true',
help=argparse.SUPPRESS)
