Create app.py

app.py

@@ -0,0 +1,18 @@
+import gradio as gr
+import spaces
+import torch
+from spaces.zero.client import _get_token
+
+zero = torch.Tensor([0]).cuda()
+print(zero.device) # <-- 'cpu' 🤔
+
+@spaces.GPU(duration=4*60)
+def inner():
+    return "ok"
+
+def greet(request: gr.Request, n):
+    assert inner() ==  "ok"
+    return _get_token(request)
+
+demo = gr.Interface(fn=greet, inputs=gr.Number(), outputs=gr.Text())
+demo.launch()