fix: 修复神秘none bug以及ruff

src/chat/focus_chat/expressors/exprssion_learner.py

@@ -131,8 +131,12 @@ class ExpressionLearner:
         else:
             raise ValueError(f"Invalid type: {type}")
         # logger.info(f"开始学习{type_str}...")
-        learnt_expressions,chat_id = await self.learn_expression(type, num)
-        
+        res = await self.learn_expression(type, num)
+
+        if res is None:
+            return []
+        learnt_expressions, chat_id = res
+
         chat_stream = chat_manager.get_stream(chat_id)
         if chat_stream.group_info:
             group_name = chat_stream.group_info.group_name
@@ -140,7 +144,6 @@ class ExpressionLearner:
             group_name = f"{chat_stream.user_info.user_nickname}的私聊"
         learnt_expressions_str = ""
         for _chat_id, situation, style in learnt_expressions:
-            
             learnt_expressions_str += f"{situation}->{style}\n"
         logger.info(f"在 {group_name} 学习到{type_str}:\n{learnt_expressions_str}")
         # learnt_expressions: List[(chat_id, situation, style)]
@@ -244,7 +247,7 @@ class ExpressionLearner:
 
         expressions: List[Tuple[str, str, str]] = self.parse_expression_response(response, chat_id)
 
-        return expressions,chat_id
+        return expressions, chat_id
 
     def parse_expression_response(self, response: str, chat_id: str) -> List[Tuple[str, str, str]]:
         """

src/chat/focus_chat/info_processors/relationship_processor.py

@@ -5,13 +5,11 @@ from src.config.config import global_config
 import time
 import traceback
 from src.common.logger_manager import get_logger
-from src.individuality.individuality import individuality
 from src.chat.utils.prompt_builder import Prompt, global_prompt_manager
 from src.chat.message_receive.chat_stream import chat_manager
 from src.person_info.relationship_manager import relationship_manager
 from .base_processor import BaseProcessor
 from typing import List, Optional
-from src.chat.heart_flow.observation.hfcloop_observation import HFCloopObservation
 from typing import Dict
 from src.chat.focus_chat.info.info_base import InfoBase
 from src.chat.focus_chat.info.relation_info import RelationInfo

src/chat/normal_chat/normal_chat.py

@@ -8,7 +8,6 @@ from src.common.logger_manager import get_logger
 from src.chat.heart_flow.utils_chat import get_chat_type_and_target_info
 from src.manager.mood_manager import mood_manager
 from src.chat.message_receive.chat_stream import ChatStream, chat_manager
-from src.person_info.relationship_manager import relationship_manager
 from src.chat.utils.info_catcher import info_catcher_manager
 from src.chat.utils.timer_calculator import Timer
 from src.chat.utils.prompt_builder import global_prompt_manager