From 51c7b60862e436a1c53a9ba4822898adfd907576 Mon Sep 17 00:00:00 2001
From: Viicos <65306057+Viicos@users.noreply.github.com>
Date: Wed, 15 May 2024 19:29:19 +0200
Subject: [PATCH] Lazy import

---
 pydantic/config.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pydantic/config.py b/pydantic/config.py
index 8d4445b2ac0..6755bd66200 100644
--- a/pydantic/config.py
+++ b/pydantic/config.py
@@ -5,7 +5,6 @@
 
 from typing_extensions import Literal, TypeAlias, TypedDict
 
-from ._internal._utils import is_model_class
 from ._migration import getattr_migration
 from .aliases import AliasGenerator
 from .errors import PydanticUserError
@@ -1023,6 +1022,8 @@ def inner(class_: _TypeT, /) -> _TypeT:
         # Ideally, we would check for `class_` to either be a `TypedDict` or a stdlib dataclass.
         # However, the `@with_config` decorator can be applied *after* `@dataclass`. To avoid
         # common mistakes, we at least check for `class_` to not be a Pydantic model.
+        from ._internal._utils import is_model_class
+
         if is_model_class(class_):
             raise PydanticUserError(
                 f'Cannot use `with_config` on {class_.__name__} as it is a Pydantic model',