Fix listing modules without IP

Author: NeffIsBack

nxc/cli.py

@@ -82,7 +82,7 @@ def gen_cli_args():
     subparsers = parser.add_subparsers(title="Available Protocols", dest="protocol")
 
     std_parser = argparse.ArgumentParser(add_help=False, parents=[generic_parser, output_parser, dns_parser], formatter_class=DisplayDefaultsNotNone)
-    std_parser.add_argument("target", nargs="+" if not (module_parser.parse_known_args()[0].list_modules or module_parser.parse_known_args()[0].show_module_options or generic_parser.parse_known_args()[0].version) else "*", type=str, help="the target IP(s), range(s), CIDR(s), hostname(s), FQDN(s), file(s) containing a list of targets, NMap XML or .Nessus file(s)")
+    std_parser.add_argument("target", nargs="+" if not (module_parser.parse_known_args()[0].list_modules is not None or module_parser.parse_known_args()[0].show_module_options or generic_parser.parse_known_args()[0].version) else "*", type=str, help="the target IP(s), range(s), CIDR(s), hostname(s), FQDN(s), file(s) containing a list of targets, NMap XML or .Nessus file(s)")
     credential_group = std_parser.add_argument_group("Authentication", "Options for authenticating")
     credential_group.add_argument("-u", "--username", metavar="USERNAME", dest="username", nargs="+", default=[], help="username(s) or file(s) containing usernames")
     credential_group.add_argument("-p", "--password", metavar="PASSWORD", dest="password", nargs="+", default=[], help="password(s) or file(s) containing passwords")