diff --git a/monai/inferers/merger.py b/monai/inferers/merger.py
index 16cf73b905..a1ab8e8a56 100644
--- a/monai/inferers/merger.py
+++ b/monai/inferers/merger.py
@@ -55,7 +55,7 @@ def __init__(
     ) -> None:
         if merged_shape is None:
             raise ValueError("Argument `merged_shape` must be provided")
-        
+
         self.merged_shape: tuple[int, ...] = tuple(merged_shape)
         self.cropped_shape: tuple[int, ...] = tuple(self.merged_shape if cropped_shape is None else cropped_shape)
         self.device = device