Sharing data with templates: cycle import error

templates/about.page.tmpl

@@ -5,6 +5,8 @@
         <div class="col">
             <h1>This is the about page</h1>
             <p>This is the content</p>
+
+            <p>This came from the template: {{index .StringMap "test"}}</p>
         </div>
     </div>
 </div>