Try to load content (from cache or by rendering the template).
        If it fails, return an empty string or raise the exception if it's a
        TemplateSyntaxError.
        With this, we can no parse and render the content included in the
        {% nocache %} blocks, but only if we have have this tag and if we don't
        have `__partial__` to True in the context (in this case we simple
        return the html with the {% nocache %} block not parsed.

def render(self):
        """
        Try to load content (from cache or by rendering the template).
        If it fails, return an empty string or raise the exception if it's a
        TemplateSyntaxError.
        With this, we can no parse and render the content included in the
        {% nocache %} blocks, but only if we have have this tag and if we don't
        have `__partial__` to True in the context (in this case we simple
        return the html with the {% nocache %} block not parsed.
        """
        try:
            self.load_content()
        except template.TemplateSyntaxError:
            raise
        except Exception:
            if is_template_debug_activated():
                raise
            logger.exception('Error when rendering template fragment')
            return ''

        if self.partial or self.RAW_TOKEN_START not in self.content:
            return self.content

        return self.render_nocache()