fix type hint

pytorch · Oct 14, 2024 · f9d63be · f9d63be
1 parent a027027
commit f9d63be
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/ignite/metrics/clustering/silhouette_score.py b/ignite/metrics/clustering/silhouette_score.py
@@ -1,4 +1,4 @@
-from typing import Any, Callable, Union
+from typing import Any, Callable, Union, Optional
 
 import torch
 from torch import Tensor
@@ -97,7 +97,7 @@ def __init__(
         check_compute_fn: bool = True,
         device: Union[str, torch.device] = torch.device("cpu"),
         skip_unrolling: bool = False,
-        silhouette_kwargs: dict | None = None,
+        silhouette_kwargs: Optional[dict] = None,
     ) -> None:
         try:
             from sklearn.metrics import silhouette_score  # noqa: F401