Update app.py

app.py

@@ -162,7 +162,7 @@ def conversation(qa_chain, message, history):
 #document = os.listdir(list_file_obj)
 vector_db, collection_name = initialize_database(list_file_obj)
 qa_chain = initialize_LLM(vector_db)
-
+print('qa chain and vector_db done')
 
 def demo():
     with gr.Blocks(theme='base') as demo:
@@ -187,9 +187,6 @@ def demo():
             submit_btn = gr.Button('Submit')
             clear_button = gr.ClearButton([msg, chatbot])
 
-
-    
-        
         msg.submit(conversation, \
             inputs=[qa_chain, msg, chatbot], \
             outputs=[qa_chain, msg, chatbot, doc_source1, source1_page, doc_source2, source2_page, doc_source3, source3_page], \