fixing duplicate import

Author: Sachin Maheshwari

src/routes.js

@@ -4,14 +4,13 @@
 import React from 'react'
 import PropTypes from 'prop-types'
 import { Redirect, Route, Switch, withRouter } from 'react-router-dom'
-import { decodeToken } from 'tc-auth-lib'
 import _ from 'lodash'
 import renderApp from './components/App'
 import TopBarContainer from './containers/TopbarContainer'
 import Sidebar from './containers/Sidebar'
 import ChallengeList from './containers/Challenges'
 import ChallengeEditor from './containers/ChallengeEditor'
-import { getFreshToken } from 'tc-auth-lib'
+import { getFreshToken, decodeToken } from 'tc-auth-lib'
 import { saveToken } from './actions/auth'
 import { loadChallengeDetails } from './actions/challenges'
 import { connect } from 'react-redux'