@classmethod<EOL><INDENT>def _postrun(cls, span, obj, **kwargs):<DEDENT>
span.set_tag("<STR_LIT>", obj.status_code)<EOL>span.set_tag(<EOL>"<STR_LIT>", len(getattr(obj, '<STR_LIT:content>', "<STR_LIT>"))<EOL>)<EOL>
Trigger to execute just before closing the span

        :param opentracing.span.Span  span: the SpanContext instance
        :param Any obj: Object to use as context
        :param dict kwargs: additional data