Fix IndexError: tuple index out of range. In this case, when adding a Jumbotron on a new page.
Fix IndexError: tuple index out of range. In this case, when adding a Jumbotron on a new page.

jrief/djangocms-cascade,jrief/djangocms-cascade,haricot/djangocms-bs4forcascade,jrief/djangocms-cascade,haricot/djangocms-bs4forcascade