Update app.py

app.py

@@ -40,11 +40,11 @@ def find_tip(points, convex_hull):
 
 def find_tail(points, tip):
     # Convert the tip and points to numpy arrays
-    tip = np.array([tip], dtype=np.float32)
+    tip = np.array(tip, dtype=np.float32)
     points = np.array(points, dtype=np.int32)
 
     # Find the index of the farthest point
-    distances = cv2.pointPolygonTest(points, tip, True)
+    distances = cv2.pointPolygonTest(points, tuple(tip), True)
     
     if distances is not None:
         farthest_index = np.argmax(distances)