bug: handle PermissionError while get_model() execution

lisa_on_cuda/utils/app_helpers.py

@@ -121,8 +121,13 @@ def preprocess(
 
 @session_logger.set_uuid_logging
 def get_model(args_to_parse):
-    logging.info("starting model preparation...")
-    os.makedirs(args_to_parse.vis_save_path, exist_ok=True)
+    logging.info(f"starting model preparation: {args_to_parse.vis_save_path}.")
+    try:
+        vis_save_path_exists = os.path.isdir(args_to_parse.vis_save_path)
+        logging.info(f"vis_save_path_exists:{vis_save_path_exists}.")
+        os.makedirs(args_to_parse.vis_save_path, exist_ok=True)
+    except PermissionError as pex:
+        logging.info(f"PermissionError: {pex}, folder:{args_to_parse.vis_save_path}.")
 
     # global tokenizer, tokenizer
     # Create model