Fix template variable;

templates/email/fellows/email_fellow_tasklist.html

@@ -45,12 +45,14 @@
             {% if assignment.submission.cycle.has_required_actions %}
                 <h3>Required actions (go to the <a href="https://scipost.org{% url 'submissions:editorial_page' assignment.submission.preprint.identifier_w_vn_nr %}">Editorial page</a> to carry them out):</h3>
                 <ul>
-                  {% for action in assignment.submission.cycle.get_required_actions %}
-                      <li>{{action.1}}</li>
+                  {% for code, action in assignment.submission.cycle.required_actions.items %}
+                      <li>{{ action }}</li>
                   {% empty %}
                       <li>No action required. Great job!</li>
                   {% endfor %}
                 </ul>
+            {% else %}
+                <p>No action required. Great job!</p>
             {% endif %}
           </li>
       {% endfor %}