diff --git a/acmebot/tasks/main.yml b/acmebot/tasks/main.yml
index dfb7b45ae7ddbdc6d540558c624b153d5ed7f43f..b1329d7d28eae3361ce94636b5ba4ee27c7a912a 100644
--- a/acmebot/tasks/main.yml
+++ b/acmebot/tasks/main.yml
@@ -94,4 +94,3 @@
     src: /opt/acmebot/logrotate.d/acmebot
     dest: /etc/logrotate.d/acmebot
     state: link
-    
diff --git a/debian-repository/tasks/main.yml b/debian-repository/tasks/main.yml
index cee9a8e6549ae1f7fb0f44e7e0d6ea7dd62b738f..2c0d9bcfd05138ee41292333d7f343eab3d17f59 100644
--- a/debian-repository/tasks/main.yml
+++ b/debian-repository/tasks/main.yml
@@ -22,4 +22,3 @@
     shell: /usr/bin/nologin
     createhome: false
     state: present
-
diff --git a/uwsgi-python/tasks/apps/alumnigraph.yml b/uwsgi-python/tasks/apps/alumnigraph.yml
index 682be24cfb0873929787849162263da9d8b8851e..a3ec7ee5b6a96adf3223e28676595616dae56610 100644
--- a/uwsgi-python/tasks/apps/alumnigraph.yml
+++ b/uwsgi-python/tasks/apps/alumnigraph.yml
@@ -9,9 +9,11 @@
     group: "{{app_group}}"
 
 - name: ensure data model upgrades are applied  # noqa 301
-  shell: "FLASK_APP={{app_program}} {{app_venv}}/bin/flask db upgrade"
+  command: "{{app_venv}}/bin/flask db upgrade"
   args:
     chdir: "{{app_path}}"
+  environment:
+    FLASK_APP: "{{app_program}}"
   become: true
   become_user: "{{app_user}}"
   notify: