code: def _wrap_stream_errors(callable_):
      
      _patch_callable_name(callable_)
  
      @general_helpers.wraps(callable_)
      def error_remapped_callable(*args, **kwargs):
          try:
              result = callable_(*args, **kwargs)
              return _StreamingResponseIterator(result)
          except grpc.RpcError as exc:
              six.raise_from(exceptions.from_grpc_error(exc), exc)
  
      return error_remapped_callable
docs: Wrap errors for Unary-Stream and Stream-Stream gRPC callables.
  
      The callables that return iterators require a bit more logic to re-map
      errors when iterating. This wraps both the initial invocation and the
      iterator of the return value to re-map errors.