Update app.py

app.py

@@ -83,7 +83,9 @@ def load_pdf_text(file_path):
     return text
 
 def load_chatbot():
-    return load_qa_chain(llm=OpenAI(), chain_type="stuff")
+    #return load_qa_chain(llm=OpenAI(), chain_type="stuff")
+    return load_qa_chain(llm=OpenAI(model_name="gpt-3.5-turbo-instruct"), chain_type="stuff")
+
 
 
 def display_chat_history(chat_history):