Update array.py

To satisfy the linter

Signed-off-by: Eloi <[email protected]>

Author: EloiNavet

monai/transforms/utility/array.py

@@ -1609,7 +1609,7 @@ def _check_all_values_uneven(self, x: tuple) -> None:
 
     def _check_filter_format(self, filter: str | NdarrayOrTensor | nn.Module, filter_size: int | None = None) -> None:
         if isinstance(filter, str):
-            if filter != "gauss" and not filter_size: # Gauss is the only filter that does not require `filter_size`
+            if filter != "gauss" and not filter_size:  # Gauss is the only filter that does not require `filter_size`
                 raise ValueError("`filter_size` must be specified when specifying filters by string.")
             if filter_size and filter_size % 2 == 0:
                 raise ValueError("`filter_size` should be a single uneven integer.")