update rumway stable diffusion to realistic vision model

app.py

@@ -25,7 +25,7 @@ controlnet = ControlNetModel.from_pretrained(
     torch_dtype=torch.float16,
 )
 pipe = StableDiffusionControlNetPipeline.from_pretrained(
-    "runwayml/stable-diffusion-v1-5", controlnet=controlnet, torch_dtype=torch.float16
+    "stablediffusionapi/realistic-vision-v51", controlnet=controlnet, torch_dtype=torch.float16
 ).to("cuda")
 pipe.scheduler = UniPCMultistepScheduler.from_config(pipe.scheduler.config)