Remove nargs=* to flatten list

knotctl/__init__.py

@@ -419,7 +419,6 @@ def main() -> int:
     updatecmd.add_argument(
         "-a",
         "--argument",
-        nargs="*",
         action="append",
         metavar="KEY=VALUE",
         help="Specify key - value pairs to be updated: name=dns1.example.com. or data=127.0.0.1 for example. --argument can be repeated",
@@ -473,6 +472,7 @@ def main() -> int:
     headers = {"Authorization": "Bearer {}".format(token)}
 
     # Route based on command
+    url = ""
     ttl = None
     if "ttl" in args:
         ttl = args.ttl
@@ -520,7 +520,7 @@ def main() -> int:
             run_log(url, args.json, headers)
         else:
             parser.print_help(sys.stderr)
-            return 1
+            return 2
     except requests.exceptions.RequestException as e:
         output(error(e, "Could not connect to server"))
     except (RequestsJSONDecodeError, SimplejsonJSONDecodeError):