Update returns/primitives/reawaitable.py

Co-authored-by: sobolevn <mail@sobolevn.me>

Author: proboscis

returns/primitives/reawaitable.py

@@ -18,9 +18,9 @@ async def __aexit__(self, exc_type, exc_val, exc_tb) -> None: ...
 except ImportError:  # pragma: no cover
     import asyncio  # noqa: WPS433
 
-    Lock: AsyncLock = asyncio.Lock
+    Lock: type[AsyncLock] = asyncio.Lock
 else:
-    Lock: AsyncLock = anyio.Lock
+    Lock = anyio.Lock
 
 _ValueType = TypeVar('_ValueType')
 _AwaitableT = TypeVar('_AwaitableT', bound=Awaitable)