Code Issue for Vertical order traversal.

[iHackSubhodip]

Multiple lines for func verticalOrder(_ root: TreeNode?) -> [[Int]] { . Please remove one.

https://github.com/soapyigu/LeetCode-Swift/blob/master/Tree/BinaryTreeVerticalOrderTraversal.swift

Just wanted to know, would you be able to submit the solution in Leetcode? For me, it's failing.