From 4c175fa0e1d2d3359eedcd9ee9c1a35fc1e9848b Mon Sep 17 00:00:00 2001
From: Charlie Marsh <charlie.r.marsh@gmail.com>
Date: Tue, 23 Dec 2025 14:25:58 -0500
Subject: [PATCH] [ty] Bind self with instance in `__get__` (#22155)

## Summary

See: https://github.com/astral-sh/ruff/pull/22153/changes#r2641788438.
---
 crates/ty_python_semantic/resources/mdtest/annotations/self.md | 3 +--
 crates/ty_python_semantic/src/types.rs                         | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/crates/ty_python_semantic/resources/mdtest/annotations/self.md b/crates/ty_python_semantic/resources/mdtest/annotations/self.md
index b3563e8935..767e2e1f17 100644
--- a/crates/ty_python_semantic/resources/mdtest/annotations/self.md
+++ b/crates/ty_python_semantic/resources/mdtest/annotations/self.md
@@ -193,8 +193,7 @@ class B:
 reveal_type(B().name_does_not_matter())  # revealed: B
 reveal_type(B().positional_only(1))  # revealed: B
 reveal_type(B().keyword_only(x=1))  # revealed: B
-# TODO: This should deally be `B`
-reveal_type(B().decorated_method())  # revealed: Self@decorated_method
+reveal_type(B().decorated_method())  # revealed: B
 
 reveal_type(B().a_property)  # revealed: B
 
diff --git a/crates/ty_python_semantic/src/types.rs b/crates/ty_python_semantic/src/types.rs
index cc05c9c000..77c594d794 100644
--- a/crates/ty_python_semantic/src/types.rs
+++ b/crates/ty_python_semantic/src/types.rs
@@ -4702,7 +4702,7 @@ impl<'db> Type<'db> {
                     Some((self, AttributeKind::NormalOrNonDataDescriptor))
                 } else {
                     Some((
-                        Type::Callable(callable.bind_self(db, None)),
+                        Type::Callable(callable.bind_self(db, Some(instance))),
                         AttributeKind::NormalOrNonDataDescriptor,
                     ))
                 };