Fix tags's declare

diff --git a/docs_src/body_nested_models/tutorial005.py b/docs_src/body_nested_models/tutorial005.py
index 0c076d4f9fa177548b56a6c4d79048b33c65f3ef..e76498c3b6f093077378cfb3f960f8fb9c8171d7 100644 (file)
--- a/docs_src/body_nested_models/tutorial005.py
+++ b/docs_src/body_nested_models/tutorial005.py
@@ -16,7 +16,7 @@ class Item(BaseModel):
     description: Optional[str] = None
     price: float
     tax: Optional[float] = None
-    tags: Set[str] = []
+    tags: Set[str] = set()
     image: Optional[Image] = None