Update app.py

app.py

@@ -21,19 +21,20 @@ documents = SimpleDirectoryReader('data').load_data()
 
 embed_model = HuggingFaceEmbeddings(
     model_name="sentence-transformers/all-mpnet-base-v2"
-)
-
-async def main(query):
-    llm: LLM = G4FLLM(
+) 
+llm= LLM = G4FLLM(
         model=models.gpt_35_turbo,
         provider=Provider.Acytoo,
     )
 
-    llm = LangChainLLM(llm=llm)
+llm = LangChainLLM(llm=llm)
 
-    service_context = ServiceContext.from_defaults(chunk_size=512, llm=llm, embed_model=embed_model)
+service_context = ServiceContext.from_defaults(chunk_size=512, llm=llm, embed_model=embed_model)
 
-    index = VectorStoreIndex.from_documents(documents, service_context=service_context)
+index = VectorStoreIndex.from_documents(documents, service_context=service_context)
+
+ 
+async def main(query):
 
     query_engine = index.as_query_engine()
     response = query_engine.query(query)