update:格式化代码

core/providers/llm/dify/dify.py

@@ -5,6 +5,7 @@ from core.providers.llm.base import LLMProviderBase
 
 logger = logging.getLogger(__name__)
 
+
 class LLMProvider(LLMProviderBase):
     def __init__(self, config):
         self.api_key = config["api_key"]
@@ -35,4 +36,4 @@ class LLMProvider(LLMProviderBase):
 
         except Exception as e:
             logger.error(f"Error in response generation: {e}")
-            yield "【服务响应异常】"
+            yield "【服务响应异常】"