code: def wrap_httplib_response(response_func):
      
  
      def call(self, *args, **kwargs):
          _tracer = execution_context.get_opencensus_tracer()
          current_span_id = execution_context.get_opencensus_attr(
              'httplib/current_span_id')
  
          span = _tracer.current_span()
  
          # No corresponding request span is found, request not traced.
          if not span or span.span_id != current_span_id:
              return response_func(self, *args, **kwargs)
  
          result = response_func(self, *args, **kwargs)
  
          # Add the status code to attributes
          _tracer.add_attribute_to_current_span(
              HTTP_STATUS_CODE, str(result.status))
  
          _tracer.end_span()
          return result
  
      return call
docs: Wrap the httplib response function to trace.
  
      If there is a corresponding httplib request span, update and close it.
      If not, return the response.