Update app.py

app.py

@@ -33,6 +33,8 @@ def get_polygon(points, image, predictor):
     """
     points = list(chain.from_iterable(points))
 
+    input_box = np.array(points)
+
     masks, _, _ = predictor.predict(
         box=input_box[None, :],
         multimask_output=False,