Collect static before checks

.gitlab-ci.yml

@@ -82,6 +82,7 @@ django_checks:
   extends: .python_test_template
   script:
     - apt-get update && apt-get install --yes libpq-dev
+    - ./manage.py collectstatic --noinput --clear
     - ./manage.py check
     - ./manage.py makemigrations --check --noinput