add changes for vampir mitgliederdatenbank 2.0

uwsgi-python/tasks/apps/vampir-mitglieder.yml

@@ -2,7 +2,7 @@
 
 - name: ensure we have a folder for invoices
   file:
-    path: "{{ app_path}}/rechnungen"
+    path: "{{ app_path }}/rechnungen"
     state: directory
     owner: "{{ app_user }}"
     group: "{{ app_group }}"