Merge pull request #108 from UiL-OTS-labs/feature/fix-pdf-error

Merging this into 1.11 without really fixing the underlying issue, because at least this alleviates the symptoms in production while I'm struggling to fix it. Creating a new issue to remind us of this for the 2.2 move.

proposals/templates/proposals/proposal_pdf.html

@@ -160,10 +160,15 @@ <h2 style="page-break-before: always">{% trans "Aanmelding bij de METC" %}</h2>
             <tr>
                 <th>{% get_verbose_field_name "proposals" "wmo" "metc_decision" %}</th><td>{{ wmo.metc_decision|yesno:_("ja,nee") }}</td>
             </tr>
-            {% if not proposal.is_practice %}
+            {% if wmo.metc_decision_pdf and not proposal.is_practice %}
             <tr>
                 <th>{% get_verbose_field_name "proposals" "wmo" "metc_decision_pdf" %}</th><td><a href="{{ BASE_URL }}{{ wmo.metc_decision_pdf.url }}" target="_blank">{% trans "Download" %}</a></td>
             </tr>
+            {% else %}
+            <tr>
+                <th>{% get_verbose_field_name "proposals" "wmo" "metc_decision_pdf" %}</th>
+                    <td>{% trans "Niet aangeleverd" %}</td>
+            </tr>
             {% endif %}
         </table>
         {% endif %}