Update app.py

app.py

@@ -170,6 +170,7 @@ def process_image(img, width, height):
 
 def inference_image(pipe, model_path, prompt, mode, *args, **kwargs):
     print(f"{datetime.datetime.now()} {mode}, model: {model_path}")
+    global pipe
     load_model(pipe, model_path, mode)
     prompt = current_model.prefix + prompt
     result = pipe(
@@ -180,7 +181,7 @@ def inference_image(pipe, model_path, prompt, mode, *args, **kwargs):
     )
     return replace_nsfw_images(result)
 
-def txt_to_img(pipe, model_path, prompt, n_images, neg_prompt, guidance, steps, width, height, generator, seed):
+def txt_to_img(model_path, prompt, n_images, neg_prompt, guidance, steps, width, height, generator, seed):
     return inference_image(pipe, model_path, prompt, "txt2img", 
         negative_prompt=neg_prompt, 
         num_images_per_prompt=n_images,
@@ -192,7 +193,7 @@ def txt_to_img(pipe, model_path, prompt, n_images, neg_prompt, guidance, steps,
         seed=seed
     )
 
-def img_to_img(pipe, model_path, prompt, n_images, neg_prompt, img, strength, guidance, steps, width, height, generator, seed):
+def img_to_img(model_path, prompt, n_images, neg_prompt, img, strength, guidance, steps, width, height, generator, seed):
     img = process_image(img, width, height)
     return inference_image(pipe, model_path, prompt, "img2img", 
         negative_prompt=neg_prompt,