Update app.py

app.py

@@ -25,7 +25,7 @@ def draw_boxes(img, bounds, color='yellow', width=2):
     for bound in bounds:
         pts = np.array([bound[0]], np.int32)
         pts = pts.reshape((-1,1,2))
-        cv.fillPoly(image, pts, color =(255,255,255))
+        cv.fillPoly(mask, pts, color =(255,255,255))
     return (mask)
     
 def draw_mask(img, bounds):