Update app.py

app.py

@@ -1,9 +1,13 @@
 import gradio as gr
 import os
 
+def process(files):
+    return [os.path.basename(fo.name) for fo in files]
+    
 with gr.Blocks() as demo:
     f = gr.File(file_count="multiple")
     j = gr.JSON() 
-    f.upload(lambda files:[fo.name for fo in files], f, j)
+    btn = gr.Button(value="Upload")
+    btn.click(fn=process, f, j)
 
 demo.launch()