def __init__(self, inner_view, title, form_type):
<EOL>self.inner_view = inner_view<EOL>self.title = title<EOL>self.form_type = form_type<EOL>
Arguments:
    inner_view: Callable that returns either a Report or a sequence of
        Report objects.

    title: The title that appears at the top of all of the reports.

    form_type: A Form class that can be used to query the report.