refactor: imports from typing instead of typing-extensions

Author: waketzheng

tortoise/models.py

@@ -6,11 +6,10 @@
 from collections.abc import Awaitable, Callable, Generator, Iterable
 from copy import copy, deepcopy
 from functools import partial
-from typing import Any, TypedDict, TypeVar, cast
+from typing import TYPE_CHECKING, Any, TypedDict, TypeVar, cast
 
 from pypika_tortoise import Order, Query, Table
 from pypika_tortoise.terms import Term
-from typing_extensions import Self
 
 from tortoise import connections
 from tortoise.backends.base.client import BaseDBAsyncClient
@@ -54,6 +53,9 @@
 from tortoise.signals import Signals
 from tortoise.transactions import in_transaction
 
+if TYPE_CHECKING:
+    from typing_extensions import Self
+
 MODEL = TypeVar("MODEL", bound="Model")
 EMPTY = object()
 

tortoise/queryset.py

@@ -4,14 +4,13 @@
 from collections import defaultdict
 from collections.abc import AsyncIterator, Callable, Collection, Generator, Iterable
 from copy import copy
-from typing import TYPE_CHECKING, Any, Generic, Optional, TypeVar, cast, overload
+from typing import TYPE_CHECKING, Any, Generic, Literal, Optional, Protocol, TypeVar, cast, overload
 
 from pypika_tortoise import JoinType, Order, Table
 from pypika_tortoise.analytics import Count
 from pypika_tortoise.functions import Cast
 from pypika_tortoise.queries import QueryBuilder
 from pypika_tortoise.terms import Case, Field, Star, Term, ValueWrapper
-from typing_extensions import Literal, Protocol
 
 from tortoise.backends.base.client import BaseDBAsyncClient, Capabilities
 from tortoise.exceptions import (