From afa6fa699862b240a75d48e5f31f95d2106ecffe Mon Sep 17 00:00:00 2001
From: Kristiyan Kostadinov <crisbeto@users.noreply.github.com>
Date: Wed, 16 May 2018 19:39:33 +0200
Subject: [PATCH] chore: fix lint failure (#11347)

Fixes a lint failure that was introduced by a PR being merged in close to another one that introduced new lint rules.
---
 .../stepper-vertical/stepper-vertical-example.ts              | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/material-examples/stepper-vertical/stepper-vertical-example.ts b/src/material-examples/stepper-vertical/stepper-vertical-example.ts
index ba958383b4f..13229872f1f 100644
--- a/src/material-examples/stepper-vertical/stepper-vertical-example.ts
+++ b/src/material-examples/stepper-vertical/stepper-vertical-example.ts
@@ -1,4 +1,4 @@
-import {Component} from '@angular/core';
+import {Component, OnInit} from '@angular/core';
 import {FormBuilder, FormGroup, Validators} from '@angular/forms';
 
 /**
@@ -9,7 +9,7 @@ import {FormBuilder, FormGroup, Validators} from '@angular/forms';
   templateUrl: 'stepper-vertical-example.html',
   styleUrls: ['stepper-vertical-example.css']
 })
-export class StepperVerticalExample {
+export class StepperVerticalExample implements OnInit {
   isLinear = false;
   firstFormGroup: FormGroup;
   secondFormGroup: FormGroup;