members/admin: only attach bill to sjr application if statement exists

jdav_web/jdav_web/urls.py

@@ -29,7 +29,7 @@ admin.site.site_header = 'Kompass'
 urlpatterns += i18n_patterns(
     re_path(r'^kompass/?', admin.site.urls),
     re_path(r'^jet/', include('jet.urls', 'jet')), # Django JET URLS
-    re_path(r'^admin/', RedirectView.as_view(url='/kompass')),
+    re_path(r'^admin/?', RedirectView.as_view(url='/kompass')),
     re_path(r'^newsletter/', include('mailer.urls', namespace="mailer")),
     re_path(r'^members/', include('members.urls', namespace="members")),
     re_path(r'^LBAlpin/Programm(/)?(20)?[0-9]{0,2}', include('ludwigsburgalpin.urls',

jdav_web/members/admin.py

@@ -739,7 +739,10 @@ class FreizeitAdmin(FilteredMemberFieldMixin, CommonAdminMixin, nested_admin.Nes
         if not self.may_view_excursion(request, memberlist):
             return self.not_allowed_view(request, memberlist)
         context = memberlist.sjr_application_fields()
+        if hasattr(memberlist, 'statement'):
             attachments = [b.proof.path for b in memberlist.statement.bill_set.all()]
+        else:
+            attachments = []
         title = memberlist.ljpproposal.title if hasattr(memberlist, 'ljpproposal') else memberlist.name
         return fill_pdf_form(title + "_SJR_Antrag", 'members/sjr_template.pdf', context, attachments)
     sjr_application.short_description = _('Generate SJR application')