From 11b4558b75363f6c9e5e37e63f0e301400dd359f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Ram=C3=ADrez?= <tiangolo@gmail.com>
Date: Fri, 10 Oct 2025 16:36:06 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=94=A5=20Remove=20unreachable=20code?=
MIME-Version: 1.0
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---
 fastapi/_compat/v2.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fastapi/_compat/v2.py b/fastapi/_compat/v2.py
index 85800d18f..29606b9f3 100644
--- a/fastapi/_compat/v2.py
+++ b/fastapi/_compat/v2.py
@@ -423,8 +423,6 @@ def get_flat_models_from_annotation(
     if origin is not None:
         for arg in get_args(annotation):
             if lenient_issubclass(arg, (BaseModel, Enum)) and arg not in known_models:
-                if arg in known_models:
-                    continue
                 known_models.add(arg)
                 if lenient_issubclass(arg, BaseModel):
                     get_flat_models_from_model(arg, known_models=known_models)