Update app.py

app.py

@@ -1,6 +1,10 @@
 import gradio as gr
+import spaces
 
-def echo(x): return f"✅ Works! You said: {x}"
+@spaces.GPU
+def echo(x: str) -> str:
+    # A trivial GPU-decorated function to satisfy ZeroGPU requirement
+    return f"✅ Works! You said: {x}"
 
 demo = gr.Interface(fn=echo, inputs="text", outputs="text")
 demo.launch()