Fixed return

shichao-an · shichao-an · commit 792b9bbbeff1 · 2014-07-15T17:29:17.000-04:00
diff --git a/swap_nodes_in_pairs/solution.py b/swap_nodes_in_pairs/solution.py
@@ -15,4 +15,4 @@ def swapPairs(self, head):
             head.next = t.next
             t.next = head
             head.next = self.swapPairs(head.next)
-            return
+            return t
