Update app.py

app.py

@@ -72,7 +72,7 @@ sdxl = "stabilityai/stable-diffusion-xl-base-1.0"
 proteus = "dataautogpt3/ProteusV0.2"
 sd_2_1 = "stabilityai/stable-diffusion-2-1"
 open_journey = "prompthero/openjourney-v4"
-SD = AsyncInferenceClient(model=proteus)
+SD = AsyncInferenceClient(model=sd_2_1)
 LLM = AsyncInferenceClient(model="openchat/openchat-3.5-0106")
 RF = AsyncInferenceClient(model="stabilityai/stable-diffusion-xl-refiner-1.0")