Use -1 for getting last name

Author: bnmnetp

views/admin/admin.html

@@ -188,7 +188,7 @@ <h3>Remove a Current Instructor</h3>
             <div class="list-group">
                 <form method="POST" id="removeins" action="Javascript:remove_instructor();">
                     <select size="10" id="instructorlist" name="instructor" class="form-control">
-                        {{ for person in sorted(list(instructors.values()), key=lambda s: str(s).split(" ")[1]): }}
+                        {{ for person in sorted(list(instructors.values()), key=lambda s: str(s).split()[-1]): }}
                         <option value="{{=person}}">{{ =person }}</option>
                         {{ pass }}
                     </select>