fixed bug in race check

rowers/templates/plannedsessionview.html

@@ -65,6 +65,7 @@
     </thead>
     <tbody>
       {% for result in ranking %}
+      {% if result|lookup:'coursecompleted' %}
       <tr>
         <td>{{ forloop.counter }}</td>
         <td>{{ result|lookup:'name' }}</td>
@@ -73,6 +74,7 @@
         <td>{{ result|lookup:'date'|date:"Y-m-d" }}</td>
         <td>{{ result|lookup:'type' }}</td>
       </tr>
+      {% endif %}
       {% endfor %}
     </tbody>
   </table>