add sorted (#3036)

composer/utils/checkpoint.py

@@ -301,7 +301,7 @@ def read_data(self, plan: LoadPlan, planner: LoadPlanner):
             log.debug(f'Rank {dist.get_global_rank()} finished transferring files to all ranks.')
             dist.barrier()
             log.debug(
-                f'Done waiting for all ranks to finish transferring files. Local checkpoint files: {os.listdir(self.destination_path)}'
+                f'Done waiting for all ranks to finish transferring files. Local checkpoint files: {sorted(os.listdir(self.destination_path))}'
             )
 
         # 5. Piggyback off of the FileSystemReader to read all the files now that they are downloaded.