Update app.py

app.py

@@ -17,6 +17,7 @@ langchain.llm_cache = InMemoryCache()
 def predict(input_file):
     return "ok"
 
-input_file = gr.inputs.File(label="Upload PDF file")
+input_file = gr.File(label="Upload PDF file")
+output_text = gr.Textbox(label="test")
 demo = gr.Interface(fn=predict, inputs=[input_file], outputs=output_text)
 demo.launch()