Update app.py

https://visitor-badge.glitch.me/badge?page_id=jwenjian.visitor-badge

app.py

@@ -109,12 +109,12 @@ def get_chain(vectorstore):
                      callbacks=[StdOutCallbackHandler()], 
                      verbose=True, 
                      temperature=0,
-                     model_name='gpt-4-0613')
+                     model_name='gpt-4')
 
     question_generator = LLMChain(llm=llm, prompt=CONDENSE_QUESTION_PROMPT)
     doc_chain = load_qa_chain(llm=llm,chain_type="stuff",prompt=load_prompt())
 
-    chain = ConversationalRetrievalChain(retriever=vectorstore.as_retriever(search_kwags={"k": 3}), 
+    chain = ConversationalRetrievalChain(retriever=vectorstore.as_retriever(search_kwags={"k": 4}), 
                                      question_generator=question_generator, 
                                      combine_docs_chain=doc_chain, 
                                      memory=memory, 
@@ -156,7 +156,7 @@ block = gr.Blocks(css=".gradio-container {background-color: lightgray}")
 with block:
     with gr.Row():
         gr.Markdown("<h3><center>Chat-Your-Data (Investor Education)</center></h3>")
-        embed_but = gr.Button(value='Load QA Chain')
+        embed_but = gr.Button(value='Step 1: Click Me to Load the QA System')
     with gr.Row():
         websites = gr.Radio(choices=site_options_list,value=site_options_list[0],label='Select US or AUS website data',
                 interactive=True)
@@ -205,6 +205,6 @@ with block:
         outputs=[agent_state],
     )
 
-    gr.Markdown("![visitor badge](https://visitor-badge.glitch.me/badge?page_id=nickmuchi-investor-chatchain)")
+    gr.Markdown("![visitors](https://visitor-badge.glitch.me/badge?page_id=nickmuchi.investor-chatchain)")
 
 block.launch(debug=True)