'Use this method on your own endpoints, will pass the extra_args
to the templates.
:param template: The template relative path
:param kwargs: arguments to be passed to the template'

def render_template(self, template, **kwargs):

    kwargs['base_template'] = self.appbuilder.base_template
    kwargs['appbuilder'] = self.appbuilder
    return render_template(template, **dict((list(kwargs.items()) + list(self.extra_args.items()))))
