Update packages/smithy-core/src/smithy_core/documents.py

Co-authored-by: Jordon Phillips <[email protected]>

Author: haydenbaker

packages/smithy-core/src/smithy_core/documents.py

@@ -679,7 +679,7 @@ def __getitem__(self, shape: ShapeID):
         """
         return self.get(shape)
 
-    def __contains__(self, shape: ShapeID):
+    def __contains__(self, item: object, /):
         """Check if the registry contains the given shape.
 
         :param shape: The shape ID to check for.