From fa7e9ebb756b86c23831ad00e2c8f5d7018bb717 Mon Sep 17 00:00:00 2001
From: Sagar Vora <16315650+sagarvora@users.noreply.github.com>
Date: Thu, 3 Jul 2025 16:14:00 +0530
Subject: [PATCH] chore: simplify `TypeAdapter`

---
 frappe/utils/typing_validations.py | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/frappe/utils/typing_validations.py b/frappe/utils/typing_validations.py
index 48bc888cd2..9f0b82d9d8 100644
--- a/frappe/utils/typing_validations.py
+++ b/frappe/utils/typing_validations.py
@@ -5,7 +5,8 @@ from types import EllipsisType
 from typing import ForwardRef, TypeVar, Union
 from unittest import mock
 
-from pydantic import ConfigDict
+from pydantic import ConfigDict, PydanticUserError
+from pydantic import TypeAdapter as PyTypeAdapter
 
 from frappe.exceptions import FrappeTypeError
 
@@ -74,18 +75,14 @@ def raise_type_error(
 
 @lru_cache(maxsize=2048)
 def TypeAdapter(type_):
-	from pydantic import PydanticUserError
-	from pydantic import TypeAdapter as PyTypeAdapter
-
 	try:
 		return PyTypeAdapter(type_, config=FrappePydanticConfig)
 	except PydanticUserError as e:
-		match e.code:
-			case "type-adapter-config-unused":
-				# Unless they set their custom __pydantic_config__, this will be the case on BaseModule, TypedDict and dataclass - ignore
-				return PyTypeAdapter(type_)
-			case _:
-				raise e
+		# Cannot set config for types BaseModel, TypedDict and dataclass
+		if e.code == "type-adapter-config-unused":
+			return PyTypeAdapter(type_)
+
+		raise e
 
 
 def transform_parameter_types(func: Callable, args: tuple, kwargs: dict):