correctly invoke classify_btn

app.py

@@ -74,6 +74,6 @@ with gr.Blocks() as nps:
 
     uploaded_file.change(fn=load_data, inputs=uploaded_file, outputs=output)
     template_btn.click(fn=lambda: "Using Template Dataset", outputs=output)
-    classify_btn.click(fn=classify_comments, inputs=[category_input], outputs=output)
+    classify_btn.click(fn=classify_comments, inputs=category_boxes, outputs=output)
 
 nps.launch()