Fix ModelMessage discriminator in chat_app example (#402)

DurandA · web-flow · commit 4553b3c7cfb0 · 2024-12-17T18:27:50.000-05:00
diff --git a/pydantic_ai_examples/chat_app.py b/pydantic_ai_examples/chat_app.py
@@ -137,7 +137,7 @@ async def stream_messages():
 
 
 MessageTypeAdapter: TypeAdapter[ModelMessage] = TypeAdapter(
-    Annotated[ModelMessage, Field(discriminator='message_kind')]
+    Annotated[ModelMessage, Field(discriminator='kind')]
 )
 P = ParamSpec('P')
 R = TypeVar('R')

Original file line number	Diff line number	Diff line change
`@@ -137,7 +137,7 @@ async def stream_messages():`
`137`	`137`
`138`	`138`
`139`	`139`	`MessageTypeAdapter: TypeAdapter[ModelMessage] = TypeAdapter(`
`140`		`- Annotated[ModelMessage, Field(discriminator='message_kind')]`
	`140`	`+ Annotated[ModelMessage, Field(discriminator='kind')]`
`141`	`141`	`)`
`142`	`142`	`P = ParamSpec('P')`
`143`	`143`	`R = TypeVar('R')`