Update app.py

app.py

@@ -29,7 +29,10 @@ retriever = vectordb.as_retriever(search_kwargs={"k": 5})
 class KwArgsModel(BaseModel):
     kwargs: Dict[str, Any] = Field(default_factory=dict)
 
-class CustomInferenceClient(LLM, KwArgsModel, metaclass=type(LLM)):
+class CombinedMeta(type(LLM), type(KwArgsModel)):
+    pass
+
+class CustomInferenceClient(LLM, KwArgsModel, metaclass=CombinedMeta):
     model_name: str
     inference_client: InferenceClient