Update app.py

app.py

@@ -40,7 +40,7 @@ def get_mask(model, input_img, use_amp=True, s=640):
 def process(img):
     path = load_img(img,output_type="str")
     img = cv2.cvtColor(cv2.imread(path, cv2.IMREAD_COLOR), cv2.COLOR_BGR2RGB)
-    mask = get_mask(HF_model, img, use_amp= False, s=img_size)
+    mask = get_mask(model, img, use_amp= False, s=img_size)
     img = mask * img
     out = load_img(img)
     return out