Update app.py

app.py

@@ -123,7 +123,7 @@ with demo:
    
 
     
-    zip_captions_btn.click(fn=gr_process, inputs=zip_files, outputs=output_zip_file)
-    image_captions_btn.click(fn=gr_process, inputs=image_files, outputs=output_image_file)
+    zip_captions_btn.click(fn=gr_process, inputs=[zip_files], outputs=output_zip_file)
+    image_captions_btn.click(fn=gr_process, inputs=[image_files], outputs=output_image_file)
 
 demo.launch(share=True)