From c38a68d85a2837c7a5a00dec0a0eb41d3175347e Mon Sep 17 00:00:00 2001
From: Sydney Runkle <54324534+sydney-runkle@users.noreply.github.com>
Date: Tue, 15 Oct 2024 10:49:55 -0400
Subject: [PATCH] Add `serialization` key to `InvalidSchema` (#1482)

---
 python/pydantic_core/core_schema.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/python/pydantic_core/core_schema.py b/python/pydantic_core/core_schema.py
index cd1525b6a..2d51d544d 100644
--- a/python/pydantic_core/core_schema.py
+++ b/python/pydantic_core/core_schema.py
@@ -439,6 +439,9 @@ class InvalidSchema(TypedDict, total=False):
     type: Required[Literal['invalid']]
     ref: str
     metadata: Dict[str, Any]
+    # note, we never plan to use this, but include it for type checking purposes to match
+    # all other CoreSchema union members
+    serialization: SerSchema
 
 
 def invalid_schema(ref: str | None = None, metadata: Dict[str, Any] | None = None) -> InvalidSchema: