python: client: completion: config: remove COMP_NOSPACE for last node

python/knot_resolver/client/commands/config.py

@@ -148,6 +148,7 @@ def completion(args: List[str], parser: argparse.ArgumentParser) -> CompWords:
                         prefix += f"/{node}"
                         is_list = True
                         continue
+                    del words[COMP_NOSPACE]
                     break
                 if is_list and node.isnumeric():
                     prefix += f"/{node}"