Update app.py

app.py

@@ -46,7 +46,7 @@ def get_max_distance_point(cnt, tip):
     max_distance = 0
     max_point = None
 
-    for [x, y] in cnt[:, 0, :]:
+    for [x, y] in cnt:
         distance = get_length((x, y), tip)
 
         if distance > max_distance: