.

physics/templates/physics/exam_start.html

@@ -4,7 +4,7 @@
 
     <h2>Start exam: {{exam.name}}</h2>
 
-    {% if request.user %}
+    {% if request.user.is_authenticated %}
     <a href="{% url 'physics:exam_take_user' pk=exam.pk sk=0 %}">Start Exam</a>
     {% else %}
     Enter your CID and passcode in the below boxes.<br />

physics/templates/physics/exam_take.html

@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 
 {% block content %}
-    {% if request.user %}
+    {% if request.user.is_authenticated %}
         User: {{request.user}}
     {% else %}
         CID: {{cid}}

physics/templates/physics/exam_take_overview.html

@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 
 {% block content %}
-    {% if request.user %}
+    {% if request.user.is_authenticated %}
         User: {{request.user}}
     {% else %}
         CID: {{cid}}
@@ -19,7 +19,7 @@
     {{answer_count}} out of {{exam_length}} questions answered. Click to go to question.
     <div class="physics-finish-list">
         {% for question, answer in question_answer_tuples %}
-            {% if request.user %}
+            {% if request.user.is_authenticated %}
                 <a href="{% url 'physics:exam_take_user' pk=exam.id sk=forloop.counter0 %}"><button {% if not answer %}class="unanswered"{% endif %}>{{forloop.counter}}: {{answer.answer}}</button></a>
 
             {% else %}