ruby on rails - SyntaxError in SongsController#index -

not sure why seem getting error have appropriate amount of ends. app working - , installed devise , went hell. un-installed devise go working version seem getting error shown below.

error msg

syntaxerror in songscontroller#index /users/user/sites/leap2/leap2/app/controllers/songs_controller.rb:13: syntax error, unexpected end-of-input, expecting keyword_end 

songs_controller.rb

  class songscontroller < applicationcontroller   before_action :set_song, only: [:show, :edit, :update, :destroy]    def index     @songs = song.all   end    def new     @song = song.new   end    def show   end    def edit   end    def create     @song = song.new(song_params)      respond_to |format|       if @song.save         format.html { redirect_to @song, notice: 'song added successully'}         format.json {render action: 'show', status: :created, location: @song}        else         format.html { render action: 'new' }         format.json { render json: @song.errors, status: :unprocessable_entity }        end     end   end    def update    respond_to |format|      if @song.update(song_params)        format.html {redirect_to @song, notice: 'song updated.' }        format.json {head :no_content }      else        format.html {render action: 'edit' }        format.json {render json: @song.errors, status: :unprocessible_entity }      end    end  end     def destroy      @song.destroy      respond_to |format|        format.html { redirect_to songs_url }        format.json { head :no_content }      end    end        private       def set_song        @song = song.find(params[:id])      end       def song_params        params.require(:song).permit(:title, :artist, :bio, :track)      end   end 

show.html.erb

<p id="notice"><%= notice %>       <p>     <strong>title:</strong>     <%= @song.title %>     </p>      <p>     <strong>bio:</strong>     <%= @song.bio %>     </p>      <p>     <strong>audio:</strong>     <%= audio_tag (@song.track.url), controls: "controls" %>     </p>       <br /><br />       <%= link_to 'edit', edit_song_path(@song), class: "button small secondary"%>      <%= link_to 'back', songs_path,  class: "button small secondary" %> 

_form.html_erb

<%= form_for @song, :html => { :multipart => true } |f| %> <% if @song.errors.any? %> <div id="error_explanation">     <h2><%= pluralize(@song.errors.count, "error") %> prohibited song being saved:</h2>       <ul>       <% @song.errors.full_messages.each |msg| %>         <li><%= msg %></li>       <% end %>       </ul>     </div>   <% end %>      <div class="row">         <div class="large-6 columns">     <div class="field">     <%= f.label :title %>     <%= f.text_field :title %>     </div>      <div class="field">     <%= f.label :bio %>     <%= f.text_area :bio %>     </div>      <p>     <%= f.file_field :track%>     </p>      <div class="actions">         <%= f.submit value: "upload" %>     </div>      <% end %>         </div>          <div class="large-6 columns"><h3>submit own song or personal favourite , watch climb charts! </h3>         </div>     </div> 

in application_controller.rb had 1 end.

class applicationcontroller < actioncontroller::base   # prevent csrf attacks raising exception.   # apis, may want use :null_session instead.   protect_from_forgery with: :exception    def authorize     redirect_to new_user_session_path, notice: "you have logged in submit."       if current_user.nil?   end end end