'Returns the freshly rendered content for the template and context
described by the TemplateResponse.
This *does not* set the final content of the response. To set the
response content, you must either call render(), or set the
content explicitly using the value of this property.'

@property
def rendered_content(self):

    template = self.resolve_template(self.template_name)
    context = self.resolve_context(self.context_data)
    content = template.render(context)
    return content
