diff --git a/checkpoint.py b/checkpoint.py
index 1c6e878..68677e4 100644
--- a/checkpoint.py
+++ b/checkpoint.py
@@ -83,7 +83,7 @@ def fast_pickle(obj: Any, path: str) -> None:
 def load_tensors(shaped_arrays, directory, mesh_config, tensor_indices=None):
     """Loads a set of arrays."""
     pool = ThreadPoolExecutor(max_workers=32)
-    fs = list()
+    fs = []
     num_tensors = 0
     num_replicas = 1
     data_model_shards = math.prod(mesh_config)