Update app.py

app.py

@@ -149,9 +149,9 @@ def conversation(qa_chain, message, history):
 
 def demo():
     with gr.Blocks(theme='base') as demo:
-        vector_db = gr.State()
-        qa_chain = gr.State()
-        collection_name = gr.State()
+        #vector_db = gr.State()
+        #qa_chain = gr.State()
+        #collection_name = gr.State()
 
 
         vector_db, collection_name = initialize_database(list_file_obj)