UPD: make token required

netdb_client/util.py

@@ -12,7 +12,7 @@ class ArgumentParser(argparse.ArgumentParser):
         super(ArgumentParser, self).__init__(formatter_class=formatter_class,
                                              **kwargs)
         self.add_argument('--token', '-t',
-                          help='user API token')
+                          help='user API token', required=True)
         self.add_argument('--server', '-s', default=server,
                           help='webapi server')
         self.add_argument('--api-version', default=api_version,