ruff:

src/plugins/PFC/pfc_manager.py

@@ -5,33 +5,34 @@ import traceback
 
 logger = get_module_logger("pfc_manager")
 
+
 class PFCManager:
     """PFC对话管理器，负责管理所有对话实例"""
-    
+
     # 单例模式
     _instance = None
-    
+
     # 会话实例管理
     _instances: Dict[str, Conversation] = {}
     _initializing: Dict[str, bool] = {}
-    
+
     @classmethod
-    def get_instance(cls) -> 'PFCManager':
+    def get_instance(cls) -> "PFCManager":
         """获取管理器单例
-        
+
         Returns:
             PFCManager: 管理器实例
         """
         if cls._instance is None:
             cls._instance = PFCManager()
         return cls._instance
-    
+
     async def get_or_create_conversation(self, stream_id: str) -> Optional[Conversation]:
         """获取或创建对话实例
-        
+
         Args:
             stream_id: 聊天流ID
-            
+
         Returns:
             Optional[Conversation]: 对话实例，创建失败则返回None
         """
@@ -39,11 +40,11 @@ class PFCManager:
         if stream_id in self._initializing and self._initializing[stream_id]:
             logger.debug(f"会话实例正在初始化中: {stream_id}")
             return None
-        
+
         if stream_id in self._instances:
             logger.debug(f"使用现有会话实例: {stream_id}")
             return self._instances[stream_id]
-        
+
         try:
             # 创建新实例
             logger.info(f"创建新的对话实例: {stream_id}")
@@ -51,47 +52,45 @@ class PFCManager:
             # 创建实例
             conversation_instance = Conversation(stream_id)
             self._instances[stream_id] = conversation_instance
-            
+
             # 启动实例初始化
             await self._initialize_conversation(conversation_instance)
         except Exception as e:
             logger.error(f"创建会话实例失败: {stream_id}, 错误: {e}")
             return None
-        
+
         return conversation_instance
 
-    
     async def _initialize_conversation(self, conversation: Conversation):
         """初始化会话实例
-        
+
         Args:
             conversation: 要初始化的会话实例
         """
         stream_id = conversation.stream_id
-        
+
         try:
             logger.info(f"开始初始化会话实例: {stream_id}")
             # 启动初始化流程
             await conversation._initialize()
-            
+
             # 标记初始化完成
             self._initializing[stream_id] = False
-            
+
             logger.info(f"会话实例 {stream_id} 初始化完成")
-            
+
         except Exception as e:
             logger.error(f"管理器初始化会话实例失败: {stream_id}, 错误: {e}")
             logger.error(traceback.format_exc())
             # 清理失败的初始化
 
-    
     async def get_conversation(self, stream_id: str) -> Optional[Conversation]:
         """获取已存在的会话实例
-        
+
         Args:
             stream_id: 聊天流ID
-            
+
         Returns:
             Optional[Conversation]: 会话实例，不存在则返回None
         """
-        return self._instances.get(stream_id)
+        return self._instances.get(stream_id)