adjust decorator order to accommodate older versions of python

src/finetuning_scheduler/fts_supporters.py

@@ -1362,8 +1362,8 @@ def gen_implicit_schedule(self, sched_dir: Union[str, os.PathLike]) -> None:
         rank_zero_info(f"Generated default fine-tuning schedule '{default_ft_schedule}' for iterative fine-tuning")
         self.ft_schedule = self.load_yaml_schedule(default_ft_schedule)
 
-    @rank_zero_only
     @staticmethod
+    @rank_zero_only
     def save_schedule(schedule_name: str, layer_config: Dict, dump_loc: Union[str, os.PathLike]) -> os.PathLike:
         """Save loaded or generated schedule to a directory to ensure reproducability.
 
@@ -1387,8 +1387,8 @@ def save_schedule(schedule_name: str, layer_config: Dict, dump_loc: Union[str, o
         rank_zero_info(f"fine-tuning schedule dumped to {ft_schedule_yaml}.")
         return ft_schedule_yaml
 
-    @rank_zero_only
     @staticmethod
+    @rank_zero_only
     def gen_ft_schedule(module: Module, dump_loc: Union[str, os.PathLike]) -> Optional[os.PathLike]:
         """Generate the default fine-tuning schedule using a naive, 2-parameters per-level heuristic.