delete useless comment
@@ -152,7 +152,6 @@ class ScalableGNN(paddle.nn.Layer):
# state: {}, used to store additional state, such as residual connections.
loader = [(sub_data, {}) for sub_data in loader]
- # TODO(daisiming): Handle one-layer models which have no history embedding.
if len(self.histories) == 0:
for sub_data, state in loader:
g, batch_size, n_id, offset, count, feat, sub_norm = \
