Check if args.model is not None

Author: nv-hwoo

src/c++/perf_analyzer/genai-perf/genai_perf/parser.py

@@ -140,7 +140,7 @@ def _set_artifact_paths(args: argparse.Namespace) -> argparse.Namespace:
     """
     if args.artifact_dir == Path(DEFAULT_ARTIFACT_DIR):
         # Preprocess Huggingface model names that include '/' in their model name.
-        if "/" in args.model:
+        if (args.model is not None) and ("/" in args.model):
             filtered_name = args.model.split("/")[-1]
             logger.info(
                 f"Model name '{args.model}' cannot be used to create artifact "