Update app.py

app.py

@@ -1,7 +1,9 @@
 import gradio as gr
+from diffusers import DiffusionPipeline
 
-def greet(name):
-    return "Hello " + name + "!!"
+pipeline = DiffusionPipeline.from_pretrained("runwayml/stable-diffusion-v1-5")
+def generate(prompt):
+    return pipeline(prompt)
 
-iface = gr.Interface(fn=greet, inputs="text", outputs="image")
+iface = gr.Interface(fn=generate, inputs="text", outputs="image")
 iface.launch()