fix: fix ci

Author: wislertt

leetcode_py/data_structures/graph_node.py

@@ -55,7 +55,7 @@ def is_clone(self, other: GraphNode | None) -> bool:
             return False
 
         # First check if structures are equal
-        if not (self == other):
+        if not (self != other):
             return False
 
         # Then check all nodes are different objects