Update app.py

app.py

@@ -175,14 +175,14 @@ image_encoder = CLIPVisionModelWithProjection.from_pretrained(os.path.join(model
 # model_sketch.eval()
 
 
-pipeline = None
-MultiResNetModel = None
-causal_dit = None
-controlnet = None
-cur_style = 'line + shadow'
 
 @spaces.GPU
 def load_ckpt():
+    global pipeline
+    global MultiResNetModel
+    global causal_dit
+    global controlnet
+    global cur_style = 'line + shadow'
     print('load init',pipline)
     weight_dtype = torch.float16