From f751e1c7976f08ed3674b890aa7e28a74d47c6e6 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Wed, 8 Oct 2025 13:10:30 +0200
Subject: [PATCH] =?UTF-8?q?=E2=AC=86=20Bump=20mypy=20from=201.4.1=20to=201?=
 =?UTF-8?q?.18.2=20(#1560)?=
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* ⬆ Bump mypy from 1.4.1 to 1.18.1

Bumps [mypy](https://github.com/python/mypy) from 1.4.1 to 1.18.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](https://github.com/python/mypy/compare/v1.4.1...v1.18.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.18.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* restrict to latest version that supports python 3.8

* remove unnecssary ignore statement

* add ignore statement

* make ignore statement more specific

* expand on mypy command to debug CI failure

* experiment with from future import

* use the latest mypy for Python 3.9 and up

* fix type of keys to be removed

* annotate origin as Any to avoid type issues

* bump to 1.10.0 only for now

* exclude one particular file from mypy processing

* Try to bump to 1.18.2 again

* attempt to remove the future import again

* add back future import

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sofie Van Landeghem <svlandeg@users.noreply.github.com>
Co-authored-by: svlandeg <svlandeg@github.com>
---
 pyproject.toml         | 5 +----
 requirements-tests.txt | 4 +++-
 sqlmodel/_compat.py    | 6 +++---
 sqlmodel/main.py       | 4 +++-
 4 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 4ae195ac..902fffdc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -98,10 +98,7 @@ show_contexts = true
 
 [tool.mypy]
 strict = true
-
-[[tool.mypy.overrides]]
-module = "sqlmodel.sql._expression_select_gen"
-warn_unused_ignores = false
+exclude = "sqlmodel.sql._expression_select_gen"
 
 [[tool.mypy.overrides]]
 module = "docs_src.*"
diff --git a/requirements-tests.txt b/requirements-tests.txt
index f6e82651..6cae1015 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -2,7 +2,9 @@
 -r requirements-docs-tests.txt
 pytest >=7.0.1,<9.0.0
 coverage[toml] >=6.2,<8.0
-mypy ==1.4.1
+# Remove when support for Python 3.8 is dropped
+mypy ==1.14.1; python_version < "3.9"
+mypy ==1.18.2; python_version >= "3.9"
 ruff ==0.13.2
 # For FastAPI tests
 fastapi >=0.103.2
diff --git a/sqlmodel/_compat.py b/sqlmodel/_compat.py
index 38dd501c..dc806d38 100644
--- a/sqlmodel/_compat.py
+++ b/sqlmodel/_compat.py
@@ -123,7 +123,7 @@ if IS_PYDANTIC_V2:
         object.__setattr__(new_object, "__pydantic_private__", None)
 
     def get_annotations(class_dict: Dict[str, Any]) -> Dict[str, Any]:
-        return class_dict.get("__annotations__", {})
+        return class_dict.get("__annotations__", {})  # type: ignore[no-any-return]
 
     def is_table_model_class(cls: Type[Any]) -> bool:
         config = getattr(cls, "model_config", {})
@@ -180,7 +180,7 @@ if IS_PYDANTIC_V2:
         if not field.is_required():
             if field.default is Undefined:
                 return False
-            if field.annotation is None or field.annotation is NoneType:  # type: ignore[comparison-overlap]
+            if field.annotation is None or field.annotation is NoneType:
                 return True
             return False
         return False
@@ -509,7 +509,7 @@ else:
             keys -= update.keys()
 
         if exclude:
-            keys -= {k for k, v in exclude.items() if ValueItems.is_true(v)}
+            keys -= {str(k) for k, v in exclude.items() if ValueItems.is_true(v)}
 
         return keys
 
diff --git a/sqlmodel/main.py b/sqlmodel/main.py
index 1925a48f..7c916f79 100644
--- a/sqlmodel/main.py
+++ b/sqlmodel/main.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import ipaddress
 import uuid
 import weakref
@@ -601,7 +603,7 @@ class SQLModelMetaclass(ModelMetaclass, DeclarativeMeta):
                     setattr(cls, rel_name, rel_info.sa_relationship)  # Fix #315
                     continue
                 raw_ann = cls.__annotations__[rel_name]
-                origin = get_origin(raw_ann)
+                origin: Any = get_origin(raw_ann)
                 if origin is Mapped:
                     ann = raw_ann.__args__[0]
                 else: