From 2ba181e1bb0091fb06f7b7995b210e9f9dd9d52b Mon Sep 17 00:00:00 2001
From: Colin Watson <cjwatson@debian.org>
Date: Thu, 25 Sep 2025 12:45:36 +0100
Subject: [PATCH] Use explicit pydantic version check

---
 fastapi/_compat.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fastapi/_compat.py b/fastapi/_compat.py
index d6c109521..311b265a5 100644
--- a/fastapi/_compat.py
+++ b/fastapi/_compat.py
@@ -115,13 +115,11 @@ if PYDANTIC_V2:
                 # (e.g. `TypeAdapter(Annotated[int, Field(alias='b')])`). In some cases, we
                 # end up building the type adapter from a model field annotation so we
                 # need to ignore the warning:
-                try:
+                if PYDANTIC_VERSION_MINOR_TUPLE >= (2, 12):  # pragma: no cover
                     from pydantic.warnings import (  # type: ignore[attr-defined]
                         UnsupportedFieldAttributeWarning,
                     )
-                except ImportError:  # pragma: no cover
-                    pass
-                else:  # pragma: no cover
+
                     warnings.simplefilter(
                         "ignore", category=UnsupportedFieldAttributeWarning
                     )