Update app.py

app.py

@@ -25,7 +25,7 @@ embeddings = HuggingFaceEmbeddings(model_name="BAAI/bge-large-en")
 docsearch = FAISS.load_local("./faiss_index", embeddings)
 
 
-chain = load_qa_chain(OpenAI(), chain_type="stuff",verbose=True)
+chain = load_qa_chain(OpenAI(temperature=0,model_name="gpt-3.5-turbo", verbose=True), chain_type="stuff",verbose=True)
 
 prompt = "您是回答所有ANSYS软件使用查询的得力助手,如果所问的内容不在范围内，请回答“您提的问题不在本知识库内，请重新提问”，所有问题必需用中文回答"
 
@@ -36,12 +36,9 @@ def predict(message, history):
         history_openai_format.append({"role": "user", "content": human })
         history_openai_format.append({"role": "assistant", "content":assistant})
     history_openai_format.append({"role": "user", "content": message})
-
-    response = openai.ChatCompletion.create(
-        model='gpt-3.5-turbo',
-        messages= history_openai_format,         
-        temperature=1.0,
-        stream=True
+    docs = docsearch.similarity_search(message)
+    response = chain.run(input_documents=docs, question=message)
+   
     )
 
     partial_message = ""