Python 3.10 に適合したのと __pycache__ 除外

.gitignore

@@ -0,0 +1 @@
+__pycache__

eloquent.pyi

@@ -5,7 +5,8 @@
 
 from __future__ import annotations
 
-from typing import Any, Generic, Self, Type, TypeVar, overload
+from typing import Any, Generic, Type, TypeVar, overload
+from typing_extensions import Self
 
 _ModelT = TypeVar ('_ModelT', bound = 'Model')