fix ide warnings

app/chain/mediaserver.py

@@ -1,5 +1,5 @@
 import threading
-from typing import List, Union, Optional, Generator
+from typing import List, Union, Optional, Generator, Any
 
 from app.chain import ChainBase
 from app.core.cache import cached
@@ -27,8 +27,8 @@ class MediaServerChain(ChainBase):
         """
         return self.run_module("mediaserver_librarys", server=server, username=username, hidden=hidden)
 
-    def items(self, server: str, library_id: Union[str, int], start_index: int = 0, limit: Optional[int] = -1) \
-            -> Optional[Generator]:
+    def items(self, server: str, library_id: Union[str, int],
+              start_index: int = 0, limit: Optional[int] = -1) -> Generator[Any, None, None]:
         """
         获取媒体服务器项目列表，支持分页和不分页逻辑，默认不分页获取所有数据
 

app/chain/subscribe.py

@@ -1262,7 +1262,7 @@ class SubscribeChain(ChainBase, metaclass=Singleton):
         订阅相关的下载和文件信息
         """
         if not subscribe:
-            return
+            return None
 
         # 返回订阅数据
         subscribe_info = schemas.SubscrbieInfo()

app/chain/transfer.py

@@ -606,7 +606,7 @@ class TransferChain(ChainBase, metaclass=Singleton):
                 logger.error(f"整理队列处理出现错误：{e} - {traceback.format_exc()}")
 
     def __handle_transfer(self, task: TransferTask,
-                          callback: Optional[Callable] = None) -> Tuple[bool, str]:
+                          callback: Optional[Callable] = None) -> Optional[Tuple[bool, str]]:
         """
         处理整理任务
         """