Update app.py

app.py

@@ -103,9 +103,8 @@ def txt_to_img(model_path, prompt, neg_prompt, guidance, steps, width, height, g
     global current_model_path
     if model_path != current_model_path or last_mode != "txt2img":
         current_model_path = model_path
-
-          pipe = pipe.to("cpu")
-          pipe = current_model.pipe_t2i
+        pipe = pipe.to("cpu")
+        pipe = current_model.pipe_t2i
 
         if torch.cuda.is_available():
           pipe = pipe.to("cuda")