Fix CI build (#474)

coderedcms/models/integration_models.py

@@ -9,7 +9,6 @@ from wagtail.core import hooks
 
 from coderedcms.api.mailchimp import MailchimpApi
 
-from ast import literal_eval
 import json
 
 

requirements-ci.txt

@@ -7,3 +7,4 @@ flake8
 pytest-cov
 pytest-django
 sphinx==3.*  # Docs are currently broken in sphinx 4.
+jinja2==3.0.*  # This seems to be the only version that works with sphinx 3.