demo 1

app.py

@@ -14,8 +14,12 @@ def nogpu():
 with gr.Blocks():
     outgpu = gr.Textbox(lines=5);
     outnpu = gr.Textbox(lines=5);
-    btn = gr.Button(fn=gpu, label="gpu",[outgpu]);
-    btn = gr.Button(fn=ngpu, label="ngpu", [outnpu]);
+    btngpu = gr.Button(fn=gpu, label="gpu",[outgpu]);
+    btngpun = gr.Button(fn=ngpu, label="ngpu", [outnpu]);
+    
+    btngpi.click(gpu, None, [outgpu]);
+    btngpun.click(nogpu, None, [outnpu]);
+    
 
 
 if __name__ == "__main__":