Update app.py

app.py

@@ -1,7 +1,14 @@
 import gradio as gr
+from diffusers import DiffusionPipeline
+
+pipeline = DiffusionPipeline.from_pretrained("anton-l/ddpm-ema-flowers-64")
+
+generator.to("cuda")
+
 
 def greet(name):
-    return "Hello " + name + "!!"
+    image = generator().images[0]
+    return image
 
 
 iface = gr.Interface(fn=greet, inputs="text", outputs="image")