Update app.py

app.py

@@ -285,14 +285,14 @@ with gr.Blocks() as demo:
         )
     user_token.change(on_token_change, inputs=[user_token], outputs=[])    
     with gr.Tab("Summarise PDF"):
-      with gradio.Row():
-        with gradio.Column(scale=1):
+      with gr.Row():
+        with gr.Column(scale=1):
             text1 = gr.Textbox()
             text2 = gr.Textbox()
-        with gradio.Column(scale=4):
+        with gr.Column(scale=4):
             btn1 = gr.Button("Button 1")
             btn2 = gr.Button("Button 2")
-      with gradio.Row():
+      with gr.Row():
           inp1 = gr.File(label="Input PDF")
           chainType1 = gr.Radio(
             ["map_reduce", "stuff", "refine"], label="Chain_Type", value="map_reduce"