Update app.py

app.py

@@ -9,7 +9,7 @@ os.environ["OPENAI_API_KEY"] = 'sk-TBQa3E1H2wInOLKRrQ3lT3BlbkFJIlyEKk8eGwDiVnM4V
 def gradio_ask_ai(user_input):
     index = GPTSimpleVectorIndex.load_from_disk('index.json')
     query = user_input
-    f=open("yo.txt","w")
+    f=open("yo.txt","a")
     f.write("file created")
     f.close()
     response = index.query(query)