dest set to string 'use_ipv6', default set to boolean False and help set to string 'Tells Django to use an IPv6 address.'. call the method parser.add_argument with 5 arguments: string '--nothreading', action set to string 'store_false',
parser . add_argument ( '--nothreading' , action = 'store_false' , dest = 'use_threading' , default = True , help = 'Tells Django to NOT use threading.' )