diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -9,7 +9,7 @@
 
 
 class Solution:
-    def maxPoints(self, points: unkonwnList[List[int]]) -> int:
+    def maxPoints(self, points: List[List[int]]) -> int:
         N = len(points)
         D = defaultdict(set)
         if N <= 2:
