Update app.py

app.py

@@ -68,6 +68,7 @@ def translate(prompt):
      
 
 def load_pipe_scribble():
+    global pipe_scribble
     if pipe_scribble is None:
         hed = HEDdetector.from_pretrained('lllyasviel/ControlNet')
 
@@ -94,6 +95,7 @@ def load_pipe_scribble():
 
 
 def load_pipe_depth():
+    global pipe_depth
     if pipe_depth is None:
         depth_estimator = pipeline('depth-estimation')
 
@@ -120,6 +122,7 @@ def load_pipe_depth():
         pipe_depth.to(device)
         
 def load_pipe_img2img():
+    global pipe_img2img
     if pipe_img2img is None:
         pipe_img2img = StableDiffusionImg2ImgPipeline.from_single_file("https://huggingface.co/shellypeng/anime-god/blob/main/animeGod_v10.safetensors",
                                                                torch_dtype=torch.float16, safety_checker=None, requires_safety_checker=False, token=HF_TOKEN)